CINXE.COM

<!DOCTYPE html> <html class="client-nojs vector-feature-language-in-header-enabled vector-feature-language-in-main-page-header-disabled vector-feature-sticky-header-disabled vector-feature-page-tools-pinned-disabled vector-feature-toc-pinned-clientpref-1 vector-feature-main-menu-pinned-disabled vector-feature-limited-width-clientpref-1 vector-feature-limited-width-content-enabled vector-feature-custom-font-size-clientpref-1 vector-feature-appearance-pinned-clientpref-1 vector-feature-night-mode-enabled skin-theme-clientpref-day vector-toc-available" lang="fr" dir="ltr"> <head> <meta charset="UTF-8"> <title>Échelle Réaumur — Wikipédia</title> <script>(function(){var className="client-js vector-feature-language-in-header-enabled vector-feature-language-in-main-page-header-disabled vector-feature-sticky-header-disabled vector-feature-page-tools-pinned-disabled vector-feature-toc-pinned-clientpref-1 vector-feature-main-menu-pinned-disabled vector-feature-limited-width-clientpref-1 vector-feature-limited-width-content-enabled vector-feature-custom-font-size-clientpref-1 vector-feature-appearance-pinned-clientpref-1 vector-feature-night-mode-enabled skin-theme-clientpref-day vector-toc-available";var cookie=document.cookie.match(/(?:^|; )frwikimwclientpreferences=([^;]+)/);if(cookie){cookie[1].split('%2C').forEach(function(pref){className=className.replace(new RegExp('(^| )'+pref.replace(/-clientpref-\w+$|[^\w-]+/g,'')+'-clientpref-\\w+( |$)'),'$1'+pref+'$2');});}document.documentElement.className=className;}());RLCONF={"wgBreakFrames":false,"wgSeparatorTransformTable":[",\t."," \t,"],"wgDigitTransformTable":["",""], "wgDefaultDateFormat":"dmy","wgMonthNames":["","janvier","février","mars","avril","mai","juin","juillet","août","septembre","octobre","novembre","décembre"],"wgRequestId":"915453f7-716a-4137-8175-079d34a7077e","wgCanonicalNamespace":"","wgCanonicalSpecialPageName":false,"wgNamespaceNumber":0,"wgPageName":"Échelle_Réaumur","wgTitle":"Échelle Réaumur","wgCurRevisionId":211033301,"wgRevisionId":211033301,"wgArticleId":82167,"wgIsArticle":true,"wgIsRedirect":false,"wgAction":"view","wgUserName":null,"wgUserGroups":["*"],"wgCategories":["Page utilisant un modèle Bases inactif","Page utilisant P1417","Page utilisant P8313","Page utilisant P1296","Page utilisant P4342","Page pointant vers des bases externes","Page pointant vers des dictionnaires ou encyclopédies généralistes","Page utilisant le modèle Autorité inactif","Portail:Physique/Articles liés","Portail:Sciences/Articles liés","Échelle de température ancienne","Nommé en hommage à René-Antoine Ferchault de Réaumur"] ,"wgPageViewLanguage":"fr","wgPageContentLanguage":"fr","wgPageContentModel":"wikitext","wgRelevantPageName":"Échelle_Réaumur","wgRelevantArticleId":82167,"wgIsProbablyEditable":true,"wgRelevantPageIsProbablyEditable":true,"wgRestrictionEdit":[],"wgRestrictionMove":[],"wgNoticeProject":"wikipedia","wgCiteReferencePreviewsActive":true,"wgMediaViewerOnClick":true,"wgMediaViewerEnabledByDefault":true,"wgPopupsFlags":0,"wgVisualEditor":{"pageLanguageCode":"fr","pageLanguageDir":"ltr","pageVariantFallbacks":"fr"},"wgMFDisplayWikibaseDescriptions":{"search":true,"watchlist":true,"tagline":true,"nearby":true},"wgWMESchemaEditAttemptStepOversample":false,"wgWMEPageLength":4000,"wgRelatedArticlesCompat":[],"wgCentralAuthMobileDomain":false,"wgEditSubmitButtonLabelPublish":true,"wgULSPosition":"interlanguage","wgULSisCompactLinksEnabled":false,"wgVector2022LanguageInHeader":true,"wgULSisLanguageSelectorEmpty":false,"wgWikibaseItemId":"Q223061","wgCheckUserClientHintsHeadersJsApi":["brands", "architecture","bitness","fullVersionList","mobile","model","platform","platformVersion"],"GEHomepageSuggestedEditsEnableTopics":true,"wgGETopicsMatchModeEnabled":false,"wgGEStructuredTaskRejectionReasonTextInputEnabled":false,"wgGELevelingUpEnabledForUser":false};RLSTATE={"ext.globalCssJs.user.styles":"ready","site.styles":"ready","user.styles":"ready","ext.globalCssJs.user":"ready","user":"ready","user.options":"loading","ext.cite.styles":"ready","skins.vector.search.codex.styles":"ready","skins.vector.styles":"ready","skins.vector.icons":"ready","ext.wikimediamessages.styles":"ready","ext.visualEditor.desktopArticleTarget.noscript":"ready","ext.uls.interlanguage":"ready","wikibase.client.init":"ready","ext.wikimediaBadges":"ready"};RLPAGEMODULES=["ext.cite.ux-enhancements","mediawiki.page.media","site","mediawiki.page.ready","skins.vector.js","ext.centralNotice.geoIP","ext.centralNotice.startUp","ext.gadget.ArchiveLinks","ext.gadget.Wdsearch","ext.urlShortener.toolbar", "ext.centralauth.centralautologin","mmv.bootstrap","ext.popups","ext.visualEditor.desktopArticleTarget.init","ext.visualEditor.targetLoader","ext.echo.centralauth","ext.eventLogging","ext.wikimediaEvents","ext.navigationTiming","ext.uls.interface","ext.cx.eventlogging.campaigns","ext.cx.uls.quick.actions","wikibase.client.vector-2022","ext.checkUser.clientHints","ext.growthExperiments.SuggestedEditSession","wikibase.sidebar.tracking"];</script> <script>(RLQ=window.RLQ||[]).push(function(){mw.loader.impl(function(){return["user.options@12s5i",function($,jQuery,require,module){mw.user.tokens.set({"patrolToken":"+\\","watchToken":"+\\","csrfToken":"+\\"}); }];});});</script> <link rel="stylesheet" href="/w/load.php?lang=fr&modules=ext.cite.styles%7Cext.uls.interlanguage%7Cext.visualEditor.desktopArticleTarget.noscript%7Cext.wikimediaBadges%7Cext.wikimediamessages.styles%7Cskins.vector.icons%2Cstyles%7Cskins.vector.search.codex.styles%7Cwikibase.client.init&only=styles&skin=vector-2022"> <script async="" src="/w/load.php?lang=fr&modules=startup&only=scripts&raw=1&skin=vector-2022"></script> <meta name="ResourceLoaderDynamicStyles" content=""> <link rel="stylesheet" href="/w/load.php?lang=fr&modules=site.styles&only=styles&skin=vector-2022"> <meta name="generator" content="MediaWiki 1.44.0-wmf.4"> <meta name="referrer" content="origin"> <meta name="referrer" content="origin-when-cross-origin"> <meta name="robots" content="max-image-preview:standard"> <meta name="format-detection" content="telephone=no"> <meta property="og:image" content="https://upload.wikimedia.org/wikipedia/commons/thumb/e/e0/Old_R%C3%A9aumur_scale_thermometer_-_IMG_0983.JPG/1200px-Old_R%C3%A9aumur_scale_thermometer_-_IMG_0983.JPG"> <meta property="og:image:width" content="1200"> <meta property="og:image:height" content="2253"> <meta property="og:image" content="https://upload.wikimedia.org/wikipedia/commons/thumb/e/e0/Old_R%C3%A9aumur_scale_thermometer_-_IMG_0983.JPG/800px-Old_R%C3%A9aumur_scale_thermometer_-_IMG_0983.JPG"> <meta property="og:image:width" content="800"> <meta property="og:image:height" content="1502"> <meta property="og:image" content="https://upload.wikimedia.org/wikipedia/commons/thumb/e/e0/Old_R%C3%A9aumur_scale_thermometer_-_IMG_0983.JPG/640px-Old_R%C3%A9aumur_scale_thermometer_-_IMG_0983.JPG"> <meta property="og:image:width" content="640"> <meta property="og:image:height" content="1201"> <meta name="viewport" content="width=1120"> <meta property="og:title" content="Échelle Réaumur — Wikipédia"> <meta property="og:type" content="website"> <link rel="preconnect" href="//upload.wikimedia.org"> <link rel="alternate" media="only screen and (max-width: 640px)" href="//fr.m.wikipedia.org/wiki/%C3%89chelle_R%C3%A9aumur"> <link rel="alternate" type="application/x-wiki" title="Modifier" href="/w/index.php?title=%C3%89chelle_R%C3%A9aumur&action=edit"> <link rel="apple-touch-icon" href="/static/apple-touch/wikipedia.png"> <link rel="icon" href="/static/favicon/wikipedia.ico"> <link rel="search" type="application/opensearchdescription+xml" href="/w/rest.php/v1/search" title="Wikipédia (fr)"> <link rel="EditURI" type="application/rsd+xml" href="//fr.wikipedia.org/w/api.php?action=rsd"> <link rel="canonical" href="https://fr.wikipedia.org/wiki/%C3%89chelle_R%C3%A9aumur"> <link rel="license" href="https://creativecommons.org/licenses/by-sa/4.0/deed.fr"> <link rel="alternate" type="application/atom+xml" title="Flux Atom de Wikipédia" href="/w/index.php?title=Sp%C3%A9cial:Modifications_r%C3%A9centes&feed=atom"> <link rel="dns-prefetch" href="//meta.wikimedia.org" /> <link rel="dns-prefetch" href="//login.wikimedia.org"> </head> <body class="skin--responsive skin-vector skin-vector-search-vue mediawiki ltr sitedir-ltr mw-hide-empty-elt ns-0 ns-subject mw-editable page-Échelle_Réaumur rootpage-Échelle_Réaumur skin-vector-2022 action-view"><a class="mw-jump-link" href="#bodyContent">Aller au contenu</a> <div class="vector-header-container"> <header class="vector-header mw-header"> <div class="vector-header-start"> <nav class="vector-main-menu-landmark" aria-label="Site"> <div id="vector-main-menu-dropdown" class="vector-dropdown vector-main-menu-dropdown vector-button-flush-left vector-button-flush-right" > <input type="checkbox" id="vector-main-menu-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-main-menu-dropdown" class="vector-dropdown-checkbox " aria-label="Menu principal" > <label id="vector-main-menu-dropdown-label" for="vector-main-menu-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-menu mw-ui-icon-wikimedia-menu"></span> <span class="vector-dropdown-label-text">Menu principal</span> </label> <div class="vector-dropdown-content"> <div id="vector-main-menu-unpinned-container" class="vector-unpinned-container"> <div id="vector-main-menu" class="vector-main-menu vector-pinnable-element"> <div class="vector-pinnable-header vector-main-menu-pinnable-header vector-pinnable-header-unpinned" data-feature-name="main-menu-pinned" data-pinnable-element-id="vector-main-menu" data-pinned-container-id="vector-main-menu-pinned-container" data-unpinned-container-id="vector-main-menu-unpinned-container" > <div class="vector-pinnable-header-label">Menu principal</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-main-menu.pin">déplacer vers la barre latérale</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-main-menu.unpin">masquer</button> </div> <div id="p-navigation" class="vector-menu mw-portlet mw-portlet-navigation" > <div class="vector-menu-heading"> Navigation </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-mainpage-description" class="mw-list-item"><a href="/wiki/Wikip%C3%A9dia:Accueil_principal" title="Accueil général [z]" accesskey="z"><span>Accueil</span></a></li><li id="n-thema" class="mw-list-item"><a href="/wiki/Portail:Accueil"><span>Portails thématiques</span></a></li><li id="n-randompage" class="mw-list-item"><a href="/wiki/Sp%C3%A9cial:Page_au_hasard" title="Affiche un article au hasard [x]" accesskey="x"><span>Article au hasard</span></a></li><li id="n-contact" class="mw-list-item"><a href="/wiki/Wikip%C3%A9dia:Contact"><span>Contact</span></a></li> </ul> </div> </div> <div id="p-Contribuer" class="vector-menu mw-portlet mw-portlet-Contribuer" > <div class="vector-menu-heading"> Contribuer </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-aboutwp" class="mw-list-item"><a href="/wiki/Aide:D%C3%A9buter"><span>Débuter sur Wikipédia</span></a></li><li id="n-help" class="mw-list-item"><a href="/wiki/Aide:Accueil" title="Accès à l’aide"><span>Aide</span></a></li><li id="n-portal" class="mw-list-item"><a href="/wiki/Wikip%C3%A9dia:Accueil_de_la_communaut%C3%A9" title="À propos du projet, ce que vous pouvez faire, où trouver les informations"><span>Communauté</span></a></li><li id="n-recentchanges" class="mw-list-item"><a href="/wiki/Sp%C3%A9cial:Modifications_r%C3%A9centes" title="Liste des modifications récentes sur le wiki [r]" accesskey="r"><span>Modifications récentes</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> <a href="/wiki/Wikip%C3%A9dia:Accueil_principal" class="mw-logo"> <img class="mw-logo-icon" src="/static/images/icons/wikipedia.png" alt="" aria-hidden="true" height="50" width="50"> <span class="mw-logo-container skin-invert"> <img class="mw-logo-wordmark" alt="Wikipédia" src="/static/images/mobile/copyright/wikipedia-wordmark-fr.svg" style="width: 7.4375em; height: 1.125em;"> <img class="mw-logo-tagline" alt="l'encyclopédie libre" src="/static/images/mobile/copyright/wikipedia-tagline-fr.svg" width="120" height="13" style="width: 7.5em; height: 0.8125em;"> </span> </a> </div> <div class="vector-header-end"> <div id="p-search" role="search" class="vector-search-box-vue vector-search-box-collapses vector-search-box-show-thumbnail vector-search-box-auto-expand-width vector-search-box"> <a href="/wiki/Sp%C3%A9cial:Recherche" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only search-toggle" title="Rechercher sur Wikipédia [f]" accesskey="f"><span class="vector-icon mw-ui-icon-search mw-ui-icon-wikimedia-search"></span> <span>Rechercher</span> </a> <div class="vector-typeahead-search-container"> <div class="cdx-typeahead-search cdx-typeahead-search--show-thumbnail cdx-typeahead-search--auto-expand-width"> <form action="/w/index.php" id="searchform" class="cdx-search-input cdx-search-input--has-end-button"> <div id="simpleSearch" class="cdx-search-input__input-wrapper" data-search-loc="header-moved"> <div class="cdx-text-input cdx-text-input--has-start-icon"> <input class="cdx-text-input__input" type="search" name="search" placeholder="Rechercher sur Wikipédia" aria-label="Rechercher sur Wikipédia" autocapitalize="sentences" title="Rechercher sur Wikipédia [f]" accesskey="f" id="searchInput" > <span class="cdx-text-input__icon cdx-text-input__start-icon"></span> </div> <input type="hidden" name="title" value="Spécial:Recherche"> </div> <button class="cdx-button cdx-search-input__end-button">Rechercher</button> </form> </div> </div> </div> <nav class="vector-user-links vector-user-links-wide" aria-label="Outils personnels"> <div class="vector-user-links-main"> <div id="p-vector-user-menu-preferences" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-userpage" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <nav class="vector-appearance-landmark" aria-label="Apparence"> <div id="vector-appearance-dropdown" class="vector-dropdown " title="Modifier l'apparence de la taille, de la largeur et de la couleur de la police de la page" > <input type="checkbox" id="vector-appearance-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-appearance-dropdown" class="vector-dropdown-checkbox " aria-label="Apparence" > <label id="vector-appearance-dropdown-label" for="vector-appearance-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-appearance mw-ui-icon-wikimedia-appearance"></span> <span class="vector-dropdown-label-text">Apparence</span> </label> <div class="vector-dropdown-content"> <div id="vector-appearance-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <div id="p-vector-user-menu-notifications" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-overflow" class="vector-menu mw-portlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_fr.wikipedia.org&uselang=fr" class=""><span>Faire un don</span></a> </li> <li id="pt-createaccount-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Sp%C3%A9cial:Cr%C3%A9er_un_compte&returnto=%C3%89chelle+R%C3%A9aumur" title="Nous vous encourageons à créer un compte utilisateur et vous connecter ; ce n’est cependant pas obligatoire." class=""><span>Créer un compte</span></a> </li> <li id="pt-login-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Sp%C3%A9cial:Connexion&returnto=%C3%89chelle+R%C3%A9aumur" title="Nous vous encourageons à vous connecter ; ce n’est cependant pas obligatoire. [o]" accesskey="o" class=""><span>Se connecter</span></a> </li> </ul> </div> </div> </div> <div id="vector-user-links-dropdown" class="vector-dropdown vector-user-menu vector-button-flush-right vector-user-menu-logged-out" title="Plus d’options" > <input type="checkbox" id="vector-user-links-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-user-links-dropdown" class="vector-dropdown-checkbox " aria-label="Outils personnels" > <label id="vector-user-links-dropdown-label" for="vector-user-links-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-ellipsis mw-ui-icon-wikimedia-ellipsis"></span> <span class="vector-dropdown-label-text">Outils personnels</span> </label> <div class="vector-dropdown-content"> <div id="p-personal" class="vector-menu mw-portlet mw-portlet-personal user-links-collapsible-item" title="Menu utilisateur" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport" class="user-links-collapsible-item mw-list-item"><a href="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_fr.wikipedia.org&uselang=fr"><span>Faire un don</span></a></li><li id="pt-createaccount" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Sp%C3%A9cial:Cr%C3%A9er_un_compte&returnto=%C3%89chelle+R%C3%A9aumur" title="Nous vous encourageons à créer un compte utilisateur et vous connecter ; ce n’est cependant pas obligatoire."><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>Créer un compte</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Sp%C3%A9cial:Connexion&returnto=%C3%89chelle+R%C3%A9aumur" title="Nous vous encourageons à vous connecter ; ce n’est cependant pas obligatoire. [o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Se connecter</span></a></li> </ul> </div> </div> <div id="p-user-menu-anon-editor" class="vector-menu mw-portlet mw-portlet-user-menu-anon-editor" > <div class="vector-menu-heading"> Pages pour les contributeurs déconnectés <a href="/wiki/Aide:Premiers_pas" aria-label="En savoir plus sur la contribution"><span>en savoir plus</span></a> </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-anoncontribs" class="mw-list-item"><a href="/wiki/Sp%C3%A9cial:Mes_contributions" title="Une liste des modifications effectuées depuis cette adresse IP [y]" accesskey="y"><span>Contributions</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/Sp%C3%A9cial:Mes_discussions" title="La page de discussion pour les contributions depuis cette adresse IP [n]" accesskey="n"><span>Discussion</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="Site"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="Sommaire" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Sommaire</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">déplacer vers la barre latérale</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">masquer</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">Début</div> </a> </li> <li id="toc-Autres_échelles_de_température" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Autres_échelles_de_température"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Autres échelles de température</span> </div> </a> <ul id="toc-Autres_échelles_de_température-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Notes_et_références" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Notes_et_références"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Notes et références</span> </div> </a> <ul id="toc-Notes_et_références-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Liens_externes" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Liens_externes"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Liens externes</span> </div> </a> <ul id="toc-Liens_externes-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Sommaire" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Basculer la table des matières" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Basculer la table des matières</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Échelle Réaumur</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Aller à un article dans une autre langue. Disponible en 45 langues." > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-45" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">45 langues</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D9%85%D9%82%D9%8A%D8%A7%D8%B3_%D8%B1%D9%8A%D9%88%D9%85%D9%88%D8%B1" title="مقياس ريومور – arabe" lang="ar" hreflang="ar" data-title="مقياس ريومور" data-language-autonym="العربية" data-language-local-name="arabe" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Reomyur_%C5%9Fkalas%C4%B1" title="Reomyur şkalası – azerbaïdjanais" lang="az" hreflang="az" data-title="Reomyur şkalası" data-language-autonym="Azərbaycanca" data-language-local-name="azerbaïdjanais" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%B0%E0%A7%87%E0%A6%93%E0%A6%AE%E0%A7%8D%E0%A6%AF%E0%A7%81%E0%A6%B0_%E0%A6%AE%E0%A6%BE%E0%A6%AA%E0%A6%A8%E0%A7%80" title="রেওম্যুর মাপনী – bengali" lang="bn" hreflang="bn" data-title="রেওম্যুর মাপনী" data-language-autonym="বাংলা" data-language-local-name="bengali" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Grau_R%C3%A9aumur" title="Grau Réaumur – catalan" lang="ca" hreflang="ca" data-title="Grau Réaumur" data-language-autonym="Català" data-language-local-name="catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Stupe%C5%88_R%C3%A9aumura" title="Stupeň Réaumura – tchèque" lang="cs" hreflang="cs" data-title="Stupeň Réaumura" data-language-autonym="Čeština" data-language-local-name="tchèque" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Reaumur" title="Reaumur – danois" lang="da" hreflang="da" data-title="Reaumur" data-language-autonym="Dansk" data-language-local-name="danois" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/R%C3%A9aumur-Skala" title="Réaumur-Skala – allemand" lang="de" hreflang="de" data-title="Réaumur-Skala" data-language-autonym="Deutsch" data-language-local-name="allemand" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%9A%CE%BB%CE%AF%CE%BC%CE%B1%CE%BA%CE%B1_%CE%A1%CE%B5%CF%89%CE%BC%CF%8D%CF%81%CE%BF%CF%85" title="Κλίμακα Ρεωμύρου – grec" lang="el" hreflang="el" data-title="Κλίμακα Ρεωμύρου" data-language-autonym="Ελληνικά" data-language-local-name="grec" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/R%C3%A9aumur_scale" title="Réaumur scale – anglais" lang="en" hreflang="en" data-title="Réaumur scale" data-language-autonym="English" data-language-local-name="anglais" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/R%C3%A9aumur-skalo" title="Réaumur-skalo – espéranto" lang="eo" hreflang="eo" data-title="Réaumur-skalo" data-language-autonym="Esperanto" data-language-local-name="espéranto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Grado_R%C3%A9aumur" title="Grado Réaumur – espagnol" lang="es" hreflang="es" data-title="Grado Réaumur" data-language-autonym="Español" data-language-local-name="espagnol" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/R%C3%A9aumuri_skaala" title="Réaumuri skaala – estonien" lang="et" hreflang="et" data-title="Réaumuri skaala" data-language-autonym="Eesti" data-language-local-name="estonien" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/R%C3%A9aumur_gradu" title="Réaumur gradu – basque" lang="eu" hreflang="eu" data-title="Réaumur gradu" data-language-autonym="Euskara" data-language-local-name="basque" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D9%85%D9%82%DB%8C%D8%A7%D8%B3_%D8%B1%D9%88%D9%85%DB%8C%D8%B1" title="مقیاس رومیر – persan" lang="fa" hreflang="fa" data-title="مقیاس رومیر" data-language-autonym="فارسی" data-language-local-name="persan" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/R%C3%A9aumur-asteikko" title="Réaumur-asteikko – finnois" lang="fi" hreflang="fi" data-title="Réaumur-asteikko" data-language-autonym="Suomi" data-language-local-name="finnois" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-fo mw-list-item"><a href="https://fo.wikipedia.org/wiki/R%C3%A9aumurstigin" title="Réaumurstigin – féroïen" lang="fo" hreflang="fo" data-title="Réaumurstigin" data-language-autonym="Føroyskt" data-language-local-name="féroïen" class="interlanguage-link-target"><span>Føroyskt</span></a></li><li class="interlanguage-link interwiki-frr mw-list-item"><a href="https://frr.wikipedia.org/wiki/Graad_R%C3%A9aumur" title="Graad Réaumur – frison septentrional" lang="frr" hreflang="frr" data-title="Graad Réaumur" data-language-autonym="Nordfriisk" data-language-local-name="frison septentrional" class="interlanguage-link-target"><span>Nordfriisk</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%9E%D7%A2%D7%9C%D7%95%D7%AA_%D7%A8%D7%90%D7%95%D7%9E%D7%99%D7%A8" title="מעלות ראומיר – hébreu" lang="he" hreflang="he" data-title="מעלות ראומיר" data-language-autonym="עברית" data-language-local-name="hébreu" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/R%C3%A9aumurova_ljestvica" title="Réaumurova ljestvica – croate" lang="hr" hreflang="hr" data-title="Réaumurova ljestvica" data-language-autonym="Hrvatski" data-language-local-name="croate" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D5%8C%D5%A5%D5%B8%D5%B4%D5%B5%D5%B8%D6%82%D6%80%D5%AB_%D6%81%D5%B8%D6%82%D6%81%D5%B6%D5%A1%D5%AF" title="Ռեոմյուրի ցուցնակ – arménien" lang="hy" hreflang="hy" data-title="Ռեոմյուրի ցուցնակ" data-language-autonym="Հայերեն" data-language-local-name="arménien" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Skala_R%C3%A9aumur" title="Skala Réaumur – indonésien" lang="id" hreflang="id" data-title="Skala Réaumur" data-language-autonym="Bahasa Indonesia" data-language-local-name="indonésien" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Grado_R%C3%A9aumur" title="Grado Réaumur – italien" lang="it" hreflang="it" data-title="Grado Réaumur" data-language-autonym="Italiano" data-language-local-name="italien" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E3%83%AC%E3%82%AA%E3%83%9F%E3%83%A5%E3%83%BC%E3%83%AB%E5%BA%A6" title="レオミュール度 – japonais" lang="ja" hreflang="ja" data-title="レオミュール度" data-language-autonym="日本語" data-language-local-name="japonais" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%97%B4%EC%94%A8" title="열씨 – coréen" lang="ko" hreflang="ko" data-title="열씨" data-language-autonym="한국어" data-language-local-name="coréen" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-li mw-list-item"><a href="https://li.wikipedia.org/wiki/R%C3%A9aumursjaol" title="Réaumursjaol – limbourgeois" lang="li" hreflang="li" data-title="Réaumursjaol" data-language-autonym="Limburgs" data-language-local-name="limbourgeois" class="interlanguage-link-target"><span>Limburgs</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Reom%C4%ABra_gr%C4%81ds" title="Reomīra grāds – letton" lang="lv" hreflang="lv" data-title="Reomīra grāds" data-language-autonym="Latviešu" data-language-local-name="letton" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%A0%D0%B5%D0%BE%D0%BC%D0%B8%D1%80%D0%BE%D0%B2%D0%B0_%D1%81%D0%BA%D0%B0%D0%BB%D0%B0" title="Реомирова скала – macédonien" lang="mk" hreflang="mk" data-title="Реомирова скала" data-language-autonym="Македонски" data-language-local-name="macédonien" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/R%C3%A9aumur" title="Réaumur – néerlandais" lang="nl" hreflang="nl" data-title="Réaumur" data-language-autonym="Nederlands" data-language-local-name="néerlandais" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/R%C3%A9aumurskalaen" title="Réaumurskalaen – norvégien nynorsk" lang="nn" hreflang="nn" data-title="Réaumurskalaen" data-language-autonym="Norsk nynorsk" data-language-local-name="norvégien nynorsk" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/R%C3%A9aumur" title="Réaumur – norvégien bokmål" lang="nb" hreflang="nb" data-title="Réaumur" data-language-autonym="Norsk bokmål" data-language-local-name="norvégien bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Skala_R%C3%A9aumura" title="Skala Réaumura – polonais" lang="pl" hreflang="pl" data-title="Skala Réaumura" data-language-autonym="Polski" data-language-local-name="polonais" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/R%C3%A9aumur" title="Réaumur – portugais" lang="pt" hreflang="pt" data-title="Réaumur" data-language-autonym="Português" data-language-local-name="portugais" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Scar%C4%83_de_temperatur%C4%83_R%C3%A9aumur" title="Scară de temperatură Réaumur – roumain" lang="ro" hreflang="ro" data-title="Scară de temperatură Réaumur" data-language-autonym="Română" data-language-local-name="roumain" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%93%D1%80%D0%B0%D0%B4%D1%83%D1%81_%D0%A0%D0%B5%D0%BE%D0%BC%D1%8E%D1%80%D0%B0" title="Градус Реомюра – russe" lang="ru" hreflang="ru" data-title="Градус Реомюра" data-language-autonym="Русский" data-language-local-name="russe" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Reomirova_temperaturna_skala" title="Reomirova temperaturna skala – serbo-croate" lang="sh" hreflang="sh" data-title="Reomirova temperaturna skala" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="serbo-croate" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/R%C3%A9aumur_scale" title="Réaumur scale – Simple English" lang="en-simple" hreflang="en-simple" data-title="Réaumur scale" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Stupe%C5%88_R%C3%A9aumura" title="Stupeň Réaumura – slovaque" lang="sk" hreflang="sk" data-title="Stupeň Réaumura" data-language-autonym="Slovenčina" data-language-local-name="slovaque" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/R%C3%A9aumurjeva_temperaturna_lestvica" title="Réaumurjeva temperaturna lestvica – slovène" lang="sl" hreflang="sl" data-title="Réaumurjeva temperaturna lestvica" data-language-autonym="Slovenščina" data-language-local-name="slovène" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/Reomirova_temperaturna_skala" title="Reomirova temperaturna skala – serbe" lang="sr" hreflang="sr" data-title="Reomirova temperaturna skala" data-language-autonym="Српски / srpski" data-language-local-name="serbe" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Grad_R%C3%A9aumur" title="Grad Réaumur – suédois" lang="sv" hreflang="sv" data-title="Grad Réaumur" data-language-autonym="Svenska" data-language-local-name="suédois" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%AD%E0%B8%87%E0%B8%A8%E0%B8%B2%E0%B9%82%E0%B8%A3%E0%B9%80%E0%B8%A1%E0%B8%AD%E0%B8%A3%E0%B9%8C" title="องศาโรเมอร์ – thaï" lang="th" hreflang="th" data-title="องศาโรเมอร์" data-language-autonym="ไทย" data-language-local-name="thaï" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Reom%C3%BCr" title="Reomür – turc" lang="tr" hreflang="tr" data-title="Reomür" data-language-autonym="Türkçe" data-language-local-name="turc" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%A8%D0%BA%D0%B0%D0%BB%D0%B0_%D0%A0%D0%B5%D0%BE%D0%BC%D1%8E%D1%80%D0%B0" title="Шкала Реомюра – ukrainien" lang="uk" hreflang="uk" data-title="Шкала Реомюра" data-language-autonym="Українська" data-language-local-name="ukrainien" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Reomyur_gradusi" title="Reomyur gradusi – ouzbek" lang="uz" hreflang="uz" data-title="Reomyur gradusi" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="ouzbek" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E5%88%97%E6%B0%8F%E6%BA%AB%E6%A8%99" title="列氏溫標 – chinois" lang="zh" hreflang="zh" data-title="列氏溫標" data-language-autonym="中文" data-language-local-name="chinois" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q223061#sitelinks-wikipedia" title="Modifier les liens interlangues" class="wbc-editpage">Modifier les liens</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Espaces de noms"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/%C3%89chelle_R%C3%A9aumur" title="Voir le contenu de la page [c]" accesskey="c"><span>Article</span></a></li><li id="ca-talk" class="vector-tab-noicon mw-list-item"><a href="/wiki/Discussion:%C3%89chelle_R%C3%A9aumur" rel="discussion" title="Discussion au sujet de cette page de contenu [t]" accesskey="t"><span>Discussion</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown emptyPortlet" > <input type="checkbox" id="vector-variants-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-variants-dropdown" class="vector-dropdown-checkbox " aria-label="Modifier la variante de langue" > <label id="vector-variants-dropdown-label" for="vector-variants-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">français</span> </label> <div class="vector-dropdown-content"> <div id="p-variants" class="vector-menu mw-portlet mw-portlet-variants emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> </div> </div> </nav> </div> <div id="right-navigation" class="vector-collapsible"> <nav aria-label="Affichages"> <div id="p-views" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-views" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-view" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/%C3%89chelle_R%C3%A9aumur"><span>Lire</span></a></li><li id="ca-ve-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=%C3%89chelle_R%C3%A9aumur&veaction=edit" title="Modifier cette page [v]" accesskey="v"><span>Modifier</span></a></li><li id="ca-edit" class="collapsible vector-tab-noicon mw-list-item"><a href="/w/index.php?title=%C3%89chelle_R%C3%A9aumur&action=edit" title="Modifier le wikicode de cette page [e]" accesskey="e"><span>Modifier le code</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=%C3%89chelle_R%C3%A9aumur&action=history" title="Historique des versions de cette page [h]" accesskey="h"><span>Voir l’historique</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="Outils de la page"> <div id="vector-page-tools-dropdown" class="vector-dropdown vector-page-tools-dropdown" > <input type="checkbox" id="vector-page-tools-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-tools-dropdown" class="vector-dropdown-checkbox " aria-label="Outils" > <label id="vector-page-tools-dropdown-label" for="vector-page-tools-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">Outils</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-tools-unpinned-container" class="vector-unpinned-container"> <div id="vector-page-tools" class="vector-page-tools vector-pinnable-element"> <div class="vector-pinnable-header vector-page-tools-pinnable-header vector-pinnable-header-unpinned" data-feature-name="page-tools-pinned" data-pinnable-element-id="vector-page-tools" data-pinned-container-id="vector-page-tools-pinned-container" data-unpinned-container-id="vector-page-tools-unpinned-container" > <div class="vector-pinnable-header-label">Outils</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">déplacer vers la barre latérale</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">masquer</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="Plus d’options" > <div class="vector-menu-heading"> Actions </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-more-view" class="selected vector-more-collapsible-item mw-list-item"><a href="/wiki/%C3%89chelle_R%C3%A9aumur"><span>Lire</span></a></li><li id="ca-more-ve-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=%C3%89chelle_R%C3%A9aumur&veaction=edit" title="Modifier cette page [v]" accesskey="v"><span>Modifier</span></a></li><li id="ca-more-edit" class="collapsible vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=%C3%89chelle_R%C3%A9aumur&action=edit" title="Modifier le wikicode de cette page [e]" accesskey="e"><span>Modifier le code</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=%C3%89chelle_R%C3%A9aumur&action=history"><span>Voir l’historique</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> Général </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/Sp%C3%A9cial:Pages_li%C3%A9es/%C3%89chelle_R%C3%A9aumur" title="Liste des pages liées qui pointent sur celle-ci [j]" accesskey="j"><span>Pages liées</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Sp%C3%A9cial:Suivi_des_liens/%C3%89chelle_R%C3%A9aumur" rel="nofollow" title="Liste des modifications récentes des pages appelées par celle-ci [k]" accesskey="k"><span>Suivi des pages liées</span></a></li><li id="t-upload" class="mw-list-item"><a href="/wiki/Aide:Importer_un_fichier" title="Téléverser des fichiers [u]" accesskey="u"><span>Téléverser un fichier</span></a></li><li id="t-specialpages" class="mw-list-item"><a href="/wiki/Sp%C3%A9cial:Pages_sp%C3%A9ciales" title="Liste de toutes les pages spéciales [q]" accesskey="q"><span>Pages spéciales</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=%C3%89chelle_R%C3%A9aumur&oldid=211033301" title="Adresse permanente de cette version de cette page"><span>Lien permanent</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=%C3%89chelle_R%C3%A9aumur&action=info" title="Davantage d’informations sur cette page"><span>Informations sur la page</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Sp%C3%A9cial:Citer&page=%C3%89chelle_R%C3%A9aumur&id=211033301&wpFormIdentifier=titleform" title="Informations sur la manière de citer cette page"><span>Citer cette page</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Sp%C3%A9cial:UrlShortener&url=https%3A%2F%2Ffr.wikipedia.org%2Fwiki%2F%25C3%2589chelle_R%25C3%25A9aumur"><span>Obtenir l'URL raccourcie</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Sp%C3%A9cial:QrCode&url=https%3A%2F%2Ffr.wikipedia.org%2Fwiki%2F%25C3%2589chelle_R%25C3%25A9aumur"><span>Télécharger le code QR</span></a></li> </ul> </div> </div> <div id="p-coll-print_export" class="vector-menu mw-portlet mw-portlet-coll-print_export" > <div class="vector-menu-heading"> Imprimer / exporter </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="coll-create_a_book" class="mw-list-item"><a href="/w/index.php?title=Sp%C3%A9cial:Livre&bookcmd=book_creator&referer=%C3%89chelle+R%C3%A9aumur"><span>Créer un livre</span></a></li><li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Sp%C3%A9cial:DownloadAsPdf&page=%C3%89chelle_R%C3%A9aumur&action=show-download-screen"><span>Télécharger comme PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=%C3%89chelle_R%C3%A9aumur&printable=yes" title="Version imprimable de cette page [p]" accesskey="p"><span>Version imprimable</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> Dans d’autres projets </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="wb-otherproject-link wb-otherproject-commons mw-list-item"><a href="https://commons.wikimedia.org/wiki/Category:Thermometers_showing_R%C3%A9aumur_temperature" hreflang="en"><span>Wikimedia Commons</span></a></li><li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q223061" title="Lien vers l’élément dans le dépôt de données connecté [g]" accesskey="g"><span>Élément Wikidata</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Outils de la page"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Apparence"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Apparence</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">déplacer vers la barre latérale</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">masquer</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">Un article de Wikipédia, l'encyclopédie libre.</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="fr" dir="ltr"><div class="bandeau-container metadata homonymie hatnote"><div class="bandeau-cell bandeau-icone" style="display:table-cell;padding-right:0.5em"><span class="noviewer" typeof="mw:File"><a href="/wiki/Aide:Homonymie" title="Aide:Homonymie"><img alt="Page d’aide sur l’homonymie" src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a9/Logo_disambig.svg/20px-Logo_disambig.svg.png" decoding="async" width="20" height="15" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a9/Logo_disambig.svg/30px-Logo_disambig.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a9/Logo_disambig.svg/40px-Logo_disambig.svg.png 2x" data-file-width="512" data-file-height="375" /></a></span></div><div class="bandeau-cell" style="display:table-cell;padding-right:0.5em"> <p>Pour les articles homonymes, voir <a href="/wiki/R%C3%A9aumur" class="mw-disambig" title="Réaumur">Réaumur</a>. </p> </div></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/Fichier:Old_R%C3%A9aumur_scale_thermometer_-_IMG_0983.JPG" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e0/Old_R%C3%A9aumur_scale_thermometer_-_IMG_0983.JPG/220px-Old_R%C3%A9aumur_scale_thermometer_-_IMG_0983.JPG" decoding="async" width="220" height="413" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e0/Old_R%C3%A9aumur_scale_thermometer_-_IMG_0983.JPG/330px-Old_R%C3%A9aumur_scale_thermometer_-_IMG_0983.JPG 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e0/Old_R%C3%A9aumur_scale_thermometer_-_IMG_0983.JPG/440px-Old_R%C3%A9aumur_scale_thermometer_-_IMG_0983.JPG 2x" data-file-width="2168" data-file-height="4070" /></a><figcaption>Un thermomètre Réaumur.</figcaption></figure> <p>L'<b>échelle Réaumur</b> est une <a href="/wiki/%C3%89chelle_(mesure)" title="Échelle (mesure)">échelle</a> de <a href="/wiki/Temp%C3%A9rature" title="Température">température</a> conçue en <a href="/wiki/1731" title="1731">1731</a> par le <a href="/wiki/Physicien" title="Physicien">physicien</a> et inventeur français <a href="/wiki/Ren%C3%A9-Antoine_Ferchault_de_R%C3%A9aumur" title="René-Antoine Ferchault de Réaumur">René-Antoine Ferchault de Réaumur</a> (1683-1757), qui a défini son <a href="/wiki/Thermom%C3%A8tre" title="Thermomètre">thermomètre</a> à partir de la dilatation apparente de l'alcool et en calibrant un intervalle de référence entre le point de <a href="/wiki/Cong%C3%A9lation" title="Congélation">congélation</a> de l'eau (valeur : zéro) et le point d'<a href="/wiki/%C3%89bullition" title="Ébullition">ébullition</a> de l'esprit de vin (valeur 80)<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite_crochet">[</span>1<span class="cite_crochet">]</span></a></sup><sup class="reference cite_virgule">,</sup><sup id="cite_ref-Levy_2-0" class="reference"><a href="#cite_note-Levy-2"><span class="cite_crochet">[</span>2<span class="cite_crochet">]</span></a></sup>. </p><p>La relative difficulté de reproduire le point haut de cette échelle a rapidement conduit, pendant la seconde moitié du <abbr class="abbr" title="18ᵉ siècle"><span class="romain">XVIII</span><sup style="font-size:72%">e</sup></abbr> siècle, à la fabrication d'instruments dont le liquide dilatable était le mercure (ce qui permettait des mesures au-delà du point d'ébullition de l'alcool), avec une échelle définie entre la température de la glace fondante et celle de l'eau en ébullition, mais graduée en 80 divisions. Ces thermomètres ont néanmoins été labellisés « de Réaumur »<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite_crochet">[</span>3<span class="cite_crochet">]</span></a></sup>. </p><p>Ainsi, l'<a href="/wiki/Unit%C3%A9_de_mesure" title="Unité de mesure">unité</a> de cette <a href="/wiki/%C3%89chelle_(mesure)" title="Échelle (mesure)">échelle</a>, nommée faussement le degré Réaumur, vaut 5/4 (soit 1,25) d'un <a href="/wiki/Kelvin" title="Kelvin">kelvin</a> (ou d'un <a href="/wiki/Degr%C3%A9_Celsius" title="Degré Celsius">degré Celsius</a>)<sup id="cite_ref-Levy_2-1" class="reference"><a href="#cite_note-Levy-2"><span class="cite_crochet">[</span>2<span class="cite_crochet">]</span></a></sup> et a le même zéro que le <a href="/wiki/Degr%C3%A9_Celsius" title="Degré Celsius">degré Celsius</a>. Son symbole est généralement °Ré ou °R<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite_crochet">[</span>4<span class="cite_crochet">]</span></a></sup>, bien que l'on voie parfois °r. </p><p>Cette conversion n'a pas lieu d'être si l'on se réfère au thermomètre original de Réaumur décrit dans son mémoire de 1730<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite_crochet">[</span>5<span class="cite_crochet">]</span></a></sup>. </p><p>Le lien ci-dessous illustre un thermomètre ancien, fabriqué vers 1758 par George Adams (1709-1772), de <a href="/wiki/Fleet_Street" title="Fleet Street">Fleet Street</a>, <a href="/wiki/Londres" title="Londres">Londres</a>, fabricant d'instruments mathématiques pour le roi <a href="/wiki/George_III_du_Royaume-Uni" class="mw-redirect" title="George III du Royaume-Uni">George III</a> (à partir de 1756). On y voit quatre échelles de température en usage à l'époque : <a href="/wiki/%C3%89chelle_Newton" title="Échelle Newton">Newton</a>, <a href="/wiki/%C3%89chelle_de_Lisle" class="mw-redirect" title="Échelle de Lisle">de Lisle</a>, <a href="/wiki/Fahrenheit" class="mw-redirect" title="Fahrenheit">Fahrenheit</a> et Réaumur. </p> <ul><li><a rel="nofollow" class="external text" href="http://www.scienceandsociety.co.uk/results.asp?image=10413117">Thermomètre gradué en Newton, de Lisle, Fahrenheit et Réaumur</a></li></ul> <p>En France, le thermomètre de Réaumur fut largement utilisé avant l'adoption de l'échelle de Celsius. La transition fut longue : l'échelle de Celsius fut adoptée par la Convention en 1794, mais les journaux, cinquante ans plus tard, donnaient encore la température dans l'une ou l'autre échelle, ou les deux à la fois<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite_crochet">[</span>6<span class="cite_crochet">]</span></a></sup>. </p> <div class="mw-heading mw-heading2"><h2 id="Autres_échelles_de_température"><span id="Autres_.C3.A9chelles_de_temp.C3.A9rature"></span>Autres échelles de température</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%C3%89chelle_R%C3%A9aumur&veaction=edit&section=1" title="Modifier la section : Autres échelles de température" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=%C3%89chelle_R%C3%A9aumur&action=edit&section=1" title="Modifier le code source de la section : Autres échelles de température"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Différentes <a href="/wiki/%C3%89chelle_(mesure)" title="Échelle (mesure)">échelles</a> sont utilisées pour <a href="/wiki/Mesure_physique" title="Mesure physique">mesurer</a> la <a href="/wiki/Temp%C3%A9rature" title="Température">température</a> : l’échelle <a href="/wiki/%C3%89chelle_Newton" title="Échelle Newton">Newton</a> (établie vers 1700), <a href="/wiki/%C3%89chelle_R%C3%B8mer" title="Échelle Rømer">Rømer</a> (1701), <a href="/wiki/Fahrenheit" class="mw-redirect" title="Fahrenheit">Fahrenheit</a> (1724), <a class="mw-selflink selflink">Réaumur</a> (1731), <a href="/wiki/%C3%89chelle_Delisle" title="Échelle Delisle">Delisle</a> (1738), <a href="/wiki/Degr%C3%A9_centigrade" title="Degré centigrade">centigrade</a> (de <a href="/wiki/Anders_Celsius" title="Anders Celsius">Celsius</a>) (1742), <a href="/wiki/%C3%89chelle_Rankine" title="Échelle Rankine">Rankine</a> (1859), <a href="/wiki/Kelvin" title="Kelvin">kelvin</a> (1848), <a href="/wiki/%C3%89chelle_Leyden" title="Échelle Leyden">Leyden</a> (ca. 1894 ?), <a href="/wiki/Degr%C3%A9_Celsius" title="Degré Celsius">Celsius</a> (1948). </p> <table class="wikitable" style="text-align:center;"> <caption>Comparaison des échelles de température<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite_crochet">[</span>a<span class="cite_crochet">]</span></a></sup> </caption> <tbody><tr> <th rowspan="2" scope="col"><span class="nowrap">Échelle →</span><br /><span class="nowrap">Température ↓</span> </th> <th rowspan="2" scope="col"><a href="/wiki/Kelvin" title="Kelvin">Kelvin</a> </th> <th rowspan="2" scope="col"><a href="/wiki/Degr%C3%A9_Celsius" title="Degré Celsius">Celsius</a> </th> <th rowspan="2" scope="col"><a href="/wiki/Degr%C3%A9_centigrade" title="Degré centigrade">Centigrade (historique)</a> </th> <th colspan="3" scope="col"><a href="/wiki/Degr%C3%A9_Fahrenheit" title="Degré Fahrenheit">Fahrenheit</a> </th> <th rowspan="2" scope="col"><a href="/wiki/%C3%89chelle_Rankine" title="Échelle Rankine">Rankine</a> </th> <th rowspan="2" scope="col"><a href="/wiki/%C3%89chelle_Delisle" title="Échelle Delisle">Delisle</a> </th> <th rowspan="2" scope="col"><a href="/wiki/%C3%89chelle_Newton" title="Échelle Newton">Newton</a> </th> <th rowspan="2" scope="col"><a class="mw-selflink selflink">Réaumur</a> </th> <th rowspan="2" scope="col"><a href="/wiki/%C3%89chelle_R%C3%B8mer" title="Échelle Rømer">Rømer</a> </th></tr> <tr> <th scope="col">originelle </th> <th scope="col">historique </th> <th scope="col">actuelle </th></tr> <tr> <th scope="row"><a href="/wiki/Z%C3%A9ro_absolu" title="Zéro absolu">Zéro absolu</a> </th> <td><b>0</b> </td> <td><b>−273,15</b> </td> <td>−273,197 </td> <td> </td> <td> </td> <td>−459,67 </td> <td><b>0</b> </td> <td>559,725 </td> <td>−90,14 </td> <td>−218,52 </td> <td>−135,90 </td></tr> <tr> <th scope="row">Plus basse température naturelle relevée à la surface de la Terre par télédétection<sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite_crochet">[</span>b<span class="cite_crochet">]</span></a></sup> </th> <td>180,0 </td> <td>−93,2 </td> <td> </td> <td> </td> <td> </td> <td>−135,8 </td> <td>323,9 </td> <td>289,8 </td> <td>−30,8 </td> <td>−74,6 </td> <td>−41,4 </td></tr> <tr> <th scope="row">Mélange <a href="/wiki/Eau" title="Eau">eau</a>/sel de <a href="/wiki/Gabriel_Fahrenheit" title="Gabriel Fahrenheit">Fahrenheit</a> </th> <td> </td> <td> </td> <td> </td> <td><b>0</b> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td></tr> <tr> <th scope="row">Origine de l'échelle Celsius moderne </th> <td><b>273,15</b> </td> <td><b>0</b> </td> <td> </td> <td> </td> <td> </td> <td><b>32</b> </td> <td><b>491,67</b> </td> <td><b>150</b> </td> <td><b>0</b> </td> <td><b>0</b> </td> <td><b>7,5</b> </td></tr> <tr> <th scope="row"><a href="/wiki/Point_de_fusion" title="Point de fusion">Point de fusion</a> de l'eau (à <a href="/wiki/Conditions_normales_de_temp%C3%A9rature_et_de_pression" title="Conditions normales de température et de pression">pression atmosphérique</a>)<sup id="cite_ref-10" class="reference"><a href="#cite_note-10"><span class="cite_crochet">[</span>c<span class="cite_crochet">]</span></a></sup> </th> <td>273,150 089(10) </td> <td>0,000 089(10) </td> <td><b>0</b> </td> <td><b>32</b> </td> <td><b>32</b> </td> <td>32,000 160(18) </td> <td>491,670 160(18) </td> <td>≈ 150 </td> <td>≈ 0 </td> <td>≈ 0 </td> <td>≈ 7,5 </td></tr> <tr> <th scope="row"><a href="/wiki/Point_triple" title="Point triple">Point triple</a> de l'eau </th> <td>273,160 0(1) </td> <td>0,010 0(1) </td> <td> </td> <td> </td> <td> </td> <td>32,018 0(18) </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td></tr> <tr> <th scope="row">Température moyenne à la surface de la Terre </th> <td>288 </td> <td>15 </td> <td> </td> <td> </td> <td> </td> <td>59 </td> <td>518,67 </td> <td>127,5 </td> <td>4,95 </td> <td>12 </td> <td>15,375 </td></tr> <tr> <th scope="row">Température moyenne du corps humain </th> <td>309,95 </td> <td>36,8 </td> <td> </td> <td> </td> <td> </td> <td>98,24 </td> <td>557,91 </td> <td>94,8 </td> <td>12,144 </td> <td>29,44 </td> <td>26,82 </td></tr> <tr> <th scope="row">Plus haute température naturelle enregistrée à la surface de la Terre<sup id="cite_ref-12" class="reference"><a href="#cite_note-12"><span class="cite_crochet">[</span>d<span class="cite_crochet">]</span></a></sup> </th> <td>329,8 </td> <td>56,7 </td> <td> </td> <td> </td> <td> </td> <td>134 </td> <td>593,67 </td> <td>67,5 </td> <td>18,7 </td> <td>45,3 </td> <td>33,94 </td></tr> <tr> <th scope="row"><a href="/wiki/Point_d%27%C3%A9bullition" title="Point d'ébullition">Point d'ébullition</a> de l'eau (à pression atmosphérique) </th> <td>373,133 9 </td> <td>99,983 9 </td> <td><b>100</b> </td> <td>≈ 212 </td> <td><b>212</b> </td> <td>211,971 </td> <td>671,641 </td> <td><b>0</b> </td> <td><b>33</b> </td> <td><b>80</b> </td> <td><b>60</b> </td></tr> <tr> <th scope="row">Point de fusion du <a href="/wiki/Titane" title="Titane">titane</a> </th> <td>1 941 </td> <td>1 668 </td> <td> </td> <td> </td> <td> </td> <td>3 034 </td> <td>3 494 </td> <td>−2 352 </td> <td>550 </td> <td>1 334 </td> <td>883 </td></tr> <tr> <th scope="row">Température estimée de la <a href="/wiki/Photosph%C3%A8re" title="Photosphère">surface du Soleil</a> </th> <td>5 800 </td> <td>5 526 </td> <td> </td> <td> </td> <td> </td> <td>9 980 </td> <td>10 440 </td> <td>−8 140 </td> <td>1 823 </td> <td>4 421 </td> <td>2 909 </td></tr> <tr> <td colspan="12" style="text-align:left;"> <div class="references-small lower-alpha" style=""><div class="mw-references-wrap"><ol class="references"> <li id="cite_note-7"><span class="mw-cite-backlink noprint"><a href="#cite_ref-7">↑</a> </span><span class="reference-text">Certains nombres de ce tableau ont été arrondis. Les valeurs en <b>gras</b> sont celles qui, par définition des différentes échelles, sont exactes (c'est-à-dire qui ont un nombre infini de chiffres significatifs).</span> </li> <li id="cite_note-9"><span class="mw-cite-backlink noprint"><a href="#cite_ref-9">↑</a> </span><span class="reference-text">Enregistrée par satellite en <a href="/wiki/Antarctique" title="Antarctique">Antarctique</a> le <time class="nowrap" datetime="2010-08-10" data-sort-value="2010-08-10">10 août 2010</time><sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite_crochet">[</span>7<span class="cite_crochet">]</span></a></sup>.</span> </li> <li id="cite_note-10"><span class="mw-cite-backlink noprint"><a href="#cite_ref-10">↑</a> </span><span class="reference-text">Les échelles de température modernes étant définies par le <a href="/wiki/Point_triple" title="Point triple">point triple</a> de l'eau à <span title="32 °F ou 273,2 K">0,01 </span><abbr class="abbr" title="degré Celsius">°C</abbr>, la température de fusion de l'eau mesurée précisément est de 0,000 089<span class="nowrap">(10) °C</span>.</span> </li> <li id="cite_note-12"><span class="mw-cite-backlink noprint"><a href="#cite_ref-12">↑</a> </span><span class="reference-text">Enregistrée à <a href="/wiki/Furnace_Creek" title="Furnace Creek">Furnace Creek</a> aux <a href="/wiki/%C3%89tats-Unis" title="États-Unis">États-Unis</a> le <time class="nowrap" datetime="1913-07-10" data-sort-value="1913-07-10">10 juillet 1913</time><sup id="cite_ref-11" class="reference"><a href="#cite_note-11"><span class="cite_crochet">[</span>8<span class="cite_crochet">]</span></a></sup>.</span> </li> </ol></div> </div> </td></tr></tbody></table> <div class="mw-heading mw-heading2"><h2 id="Notes_et_références"><span id="Notes_et_r.C3.A9f.C3.A9rences"></span>Notes et références</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%C3%89chelle_R%C3%A9aumur&veaction=edit&section=2" title="Modifier la section : Notes et références" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=%C3%89chelle_R%C3%A9aumur&action=edit&section=2" title="Modifier le code source de la section : Notes et références"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="references-small decimal" style=""><div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink noprint"><a href="#cite_ref-1">↑</a> </span><span class="reference-text">Mémoires de l'Académie Royale- Année 1730- pages 452 sqq</span> </li> <li id="cite_note-Levy-2"><span class="mw-cite-backlink noprint">↑ <sup><a href="#cite_ref-Levy_2-0">a</a> et <a href="#cite_ref-Levy_2-1">b</a></sup> </span><span class="reference-text">Élie Lévy, <i>Dictionnaire de physique</i>, <a href="/wiki/Presses_universitaires_de_France" title="Presses universitaires de France">Presses universitaires de France</a>, Paris, 1988, <abbr class="abbr" title="page">p.</abbr> 677.</span> </li> <li id="cite_note-3"><span class="mw-cite-backlink noprint"><a href="#cite_ref-3">↑</a> </span><span class="reference-text">M. Gaussen: Dissertation sur le thermomètre de Réaumur, pages 35-38, Béziers 1789</span> </li> <li id="cite_note-4"><span class="mw-cite-backlink noprint"><a href="#cite_ref-4">↑</a> </span><span class="reference-text">Lexique des règles typographiques en usage à l’Imprimerie nationale.</span> </li> <li id="cite_note-5"><span class="mw-cite-backlink noprint"><a href="#cite_ref-5">↑</a> </span><span class="reference-text">Jean-André DeLuc, Recherches sur les modifications de l'atmosphère, pages 376-378, Genève, 1772</span> </li> <li id="cite_note-6"><span class="mw-cite-backlink noprint"><a href="#cite_ref-6">↑</a> </span><span class="reference-text">Voir par exemple la page 149 de ce livre écrit en 1824 <i><a rel="nofollow" class="external text" href="https://books.google.fr/books?id=SM8TAAAAQAAJ&hl=fr&hl=fr&pg=PA149&img=1&zoom=3&sig=ACfU3U1-FcF1yYZST6YmrUAY4TZPFRdESg&ci=152%2C178%2C705%2C1061&edge=0">Application de l'arithmétique au commerce et à la banque</a></i> : <span class="citation">« La température est indiquée dans les papiers publics, tantôt d'après l'ancien et le nouveau thermomètre tout à la fois, tantôt d'après le nouveau seulement. C'est ce qui fait que beaucoup de personnes, qui n'ont pas cette distinction présente, ne s'entendent pas souvent sur le véritable état de la température, parce que les uns la rapportent au thermomètre de Réaumur, et les autres au thermomètre décimal. »</span></span> </li> <li id="cite_note-8"><span class="mw-cite-backlink noprint"><a href="#cite_ref-8">↑</a> </span><span class="reference-text"><span class="ouvrage" id="NASA2013">NASA, « <a rel="nofollow" class="external text" href="http://www.lefigaro.fr/sciences/2013/12/11/01008-20131211ARTFIG00400-la-nasa-identifie-l-endroit-le-plus-froid-de-la-terre.php"><cite style="font-style:normal;">La Nasa identifie l'endroit le plus froid de la Terre</cite></a> », <i><a href="/wiki/Le_Figaro" title="Le Figaro">Le Figaro</a></i>, <time class="nowrap" datetime="2013-12-11" data-sort-value="2013-12-11">11 décembre 2013</time> <small style="line-height:1em;">(consulté le <time class="nowrap" datetime="2015-04-25" data-sort-value="2015-04-25">25 avril 2015</time>)</small></span>.</span> </li> <li id="cite_note-11"><span class="mw-cite-backlink noprint"><a href="#cite_ref-11">↑</a> </span><span class="reference-text"><span class="ouvrage" id="Commission_de_climatologie2012">Commission de climatologie, « <a rel="nofollow" class="external text" href="https://www.wmo.int/pages/mediacentre/press_releases/pr_956_fr.html"><cite style="font-style:normal;">Communiqué de presse <abbr class="abbr" title="numéro">n<sup>o</sup></abbr> 956</cite></a> », <a href="/wiki/Organisation_m%C3%A9t%C3%A9orologique_mondiale" title="Organisation météorologique mondiale">Organisation météorologique mondiale</a>, <time class="nowrap" datetime="2012-09-13" data-sort-value="2012-09-13">13 septembre 2012</time> <small style="line-height:1em;">(consulté le <time class="nowrap" datetime="2012-09-26" data-sort-value="2012-09-26">26 septembre 2012</time>)</small></span>.</span> </li> </ol></div> </div> <div class="mw-heading mw-heading2"><h2 id="Liens_externes">Liens externes</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%C3%89chelle_R%C3%A9aumur&veaction=edit&section=3" title="Modifier la section : Liens externes" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=%C3%89chelle_R%C3%A9aumur&action=edit&section=3" title="Modifier le code source de la section : Liens externes"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <p class="mw-empty-elt"> </p> <ul><li class="mw-empty-elt"></li> <li class="mw-empty-elt"></li> <li><div class="liste-horizontale"><span class="wd_identifiers">Notices dans des dictionnaires ou encyclopédies généralistes<span class="noprint wikidata-linkback skin-invert"><span class="mw-valign-baseline noviewer" typeof="mw:File"><a href="https://www.wikidata.org/wiki/Q223061?uselang=fr#identifiers" title="Voir et modifier les données sur Wikidata"><img alt="Voir et modifier les données sur Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/10px-Blue_pencil.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/15px-Blue_pencil.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/20px-Blue_pencil.svg.png 2x" data-file-width="600" data-file-height="600" /></a></span></span></span> : <ul><li><a rel="nofollow" class="external text" href="https://www.britannica.com/topic/Reaumur-temperature-scale"><i>Britannica</i></a></li> <li><a rel="nofollow" class="external text" href="https://denstoredanske.lex.dk//reaumur/"><i>Den Store Danske Encyklopædi</i></a></li> <li><a rel="nofollow" class="external text" href="https://www.enciclopedia.cat/EC-GEC-0054536.xml"><i>Gran Enciclopèdia Catalana</i></a></li> <li><a rel="nofollow" class="external text" href="https://snl.no/r%C3%A9aumurskalaen"><i>Store norske leksikon</i></a></li> </ul></div></li> <li class="mw-empty-elt"></li> <li><a rel="nofollow" class="external text" href="https://www.metric-conversions.org/fr/temperature/reaumur-en-celsius.htm">Convertissez Réaumur à Celsius</a></li> <li><a rel="nofollow" class="external text" href="http://w66.eu/reaumur/">Réaumur-Fahrenheit converter</a></li></ul> <div class="navbox-container" style="clear:both;"> <table class="navbox collapsible noprint autocollapse" style=""> <tbody><tr><th class="navbox-title" colspan="2" style=""><div style="float:left; width:6em; text-align:left"><div class="noprint plainlinks nowrap tnavbar" style="padding:0; font-size:xx-small; color:var(--color-emphasized, #000000);"><a href="/wiki/Mod%C3%A8le:Palette_%C3%89chelles_thermom%C3%A9triques" title="Modèle:Palette Échelles thermométriques"><abbr class="abbr" title="Voir ce modèle.">v</abbr></a> · <a class="external text" href="https://fr.wikipedia.org/w/index.php?title=Mod%C3%A8le:Palette_%C3%89chelles_thermom%C3%A9triques&action=edit"><abbr class="abbr" title="Modifier ce modèle. Merci de prévisualiser avant de sauvegarder.">m</abbr></a></div></div><div style="font-size:110%"><a href="/wiki/%C3%89chelle_(mesure)" title="Échelle (mesure)">Échelles</a> <a href="/wiki/Temp%C3%A9rature" title="Température">thermométriques</a></div></th> </tr> <tr> <td class="navbox-list" style="" colspan="2"><div class="liste-horizontale"> <ul><li><a href="/wiki/Degr%C3%A9_Celsius" title="Degré Celsius">Celsius</a></li> <li><a href="/wiki/Degr%C3%A9_centigrade" title="Degré centigrade">Centigrade</a></li> <li><a href="/wiki/%C3%89chelle_Delisle" title="Échelle Delisle">Delisle</a></li> <li><a href="/wiki/Degr%C3%A9_Fahrenheit" title="Degré Fahrenheit">Fahrenheit</a></li> <li><a href="/wiki/Kelvin" title="Kelvin">Kelvin</a> (<a href="/wiki/Syst%C3%A8me_international_d%27unit%C3%A9s" title="Système international d'unités">Système international d'unités</a>)</li> <li><a href="/wiki/%C3%89chelle_Leyden" title="Échelle Leyden">Leyden</a></li> <li><a href="/wiki/%C3%89chelle_Newton" title="Échelle Newton">Newton</a></li> <li><a href="/wiki/Temp%C3%A9rature_de_Planck" title="Température de Planck">Planck</a></li> <li><a href="/wiki/%C3%89chelle_Rankine" title="Échelle Rankine">Rankine</a></li> <li><a class="mw-selflink selflink">Réaumur</a></li> <li><a href="/wiki/%C3%89chelle_R%C3%B8mer" title="Échelle Rømer">Rømer</a></li></ul> </div></td> </tr> <tr> <td class="navbox-list navbox-even" style="" colspan="2"><div class="liste-horizontale"> <ul><li><a href="/wiki/Conversion_des_unit%C3%A9s#Température" title="Conversion des unités">Conversion</a></li></ul> </div></td> </tr> </tbody></table> </div> <ul id="bandeau-portail" class="bandeau-portail"><li><span class="bandeau-portail-element"><span class="bandeau-portail-icone"><span class="noviewer" typeof="mw:File"><a href="/wiki/Portail:Physique" title="Portail de la physique"><img alt="icône décorative" src="//upload.wikimedia.org/wikipedia/commons/thumb/2/22/Circle-icons-physics-logo.svg/24px-Circle-icons-physics-logo.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/22/Circle-icons-physics-logo.svg/36px-Circle-icons-physics-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/22/Circle-icons-physics-logo.svg/48px-Circle-icons-physics-logo.svg.png 2x" data-file-width="512" data-file-height="512" /></a></span></span> <span class="bandeau-portail-texte"><a href="/wiki/Portail:Physique" title="Portail:Physique">Portail de la physique</a></span> </span></li> </ul>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Ce document provient de « <a dir="ltr" href="https://fr.wikipedia.org/w/index.php?title=Échelle_Réaumur&oldid=211033301">https://fr.wikipedia.org/w/index.php?title=Échelle_Réaumur&oldid=211033301</a> ».</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Cat%C3%A9gorie:Accueil" title="Catégorie:Accueil">Catégories</a> : <ul><li><a href="/wiki/Cat%C3%A9gorie:%C3%89chelle_de_temp%C3%A9rature_ancienne" title="Catégorie:Échelle de température ancienne">Échelle de température ancienne</a></li><li><a href="/wiki/Cat%C3%A9gorie:Nomm%C3%A9_en_hommage_%C3%A0_Ren%C3%A9-Antoine_Ferchault_de_R%C3%A9aumur" title="Catégorie:Nommé en hommage à René-Antoine Ferchault de Réaumur">Nommé en hommage à René-Antoine Ferchault de Réaumur</a></li></ul></div><div id="mw-hidden-catlinks" class="mw-hidden-catlinks mw-hidden-cats-hidden">Catégories cachées : <ul><li><a href="/wiki/Cat%C3%A9gorie:Page_utilisant_un_mod%C3%A8le_Bases_inactif" title="Catégorie:Page utilisant un modèle Bases inactif">Page utilisant un modèle Bases inactif</a></li><li><a href="/wiki/Cat%C3%A9gorie:Page_utilisant_P1417" title="Catégorie:Page utilisant P1417">Page utilisant P1417</a></li><li><a href="/wiki/Cat%C3%A9gorie:Page_utilisant_P8313" title="Catégorie:Page utilisant P8313">Page utilisant P8313</a></li><li><a href="/wiki/Cat%C3%A9gorie:Page_utilisant_P1296" title="Catégorie:Page utilisant P1296">Page utilisant P1296</a></li><li><a href="/wiki/Cat%C3%A9gorie:Page_utilisant_P4342" title="Catégorie:Page utilisant P4342">Page utilisant P4342</a></li><li><a href="/wiki/Cat%C3%A9gorie:Page_pointant_vers_des_bases_externes" title="Catégorie:Page pointant vers des bases externes">Page pointant vers des bases externes</a></li><li><a href="/wiki/Cat%C3%A9gorie:Page_pointant_vers_des_dictionnaires_ou_encyclop%C3%A9dies_g%C3%A9n%C3%A9ralistes" title="Catégorie:Page pointant vers des dictionnaires ou encyclopédies généralistes">Page pointant vers des dictionnaires ou encyclopédies généralistes</a></li><li><a href="/wiki/Cat%C3%A9gorie:Page_utilisant_le_mod%C3%A8le_Autorit%C3%A9_inactif" title="Catégorie:Page utilisant le modèle Autorité inactif">Page utilisant le modèle Autorité inactif</a></li><li><a href="/wiki/Cat%C3%A9gorie:Portail:Physique/Articles_li%C3%A9s" title="Catégorie:Portail:Physique/Articles liés">Portail:Physique/Articles liés</a></li><li><a href="/wiki/Cat%C3%A9gorie:Portail:Sciences/Articles_li%C3%A9s" title="Catégorie:Portail:Sciences/Articles liés">Portail:Sciences/Articles liés</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> La dernière modification de cette page a été faite le 30 décembre 2023 à 22:48.</li> <li id="footer-info-copyright"><span style="white-space: normal"><a href="/wiki/Wikip%C3%A9dia:Citation_et_r%C3%A9utilisation_du_contenu_de_Wikip%C3%A9dia" title="Wikipédia:Citation et réutilisation du contenu de Wikipédia">Droit d'auteur</a> : les textes sont disponibles sous <a rel="nofollow" class="external text" href="https://creativecommons.org/licenses/by-sa/4.0/deed.fr">licence Creative Commons attribution, partage dans les mêmes conditions</a> ; d’autres conditions peuvent s’appliquer. Voyez les <a class="external text" href="https://foundation.wikimedia.org/wiki/Policy:Terms_of_Use/fr">conditions d’utilisation</a> pour plus de détails, ainsi que les <a href="/wiki/Wikip%C3%A9dia:Cr%C3%A9dits_graphiques" title="Wikipédia:Crédits graphiques">crédits graphiques</a>. En cas de réutilisation des textes de cette page, voyez <a href="/wiki/Sp%C3%A9cial:Citer/%C3%89chelle_R%C3%A9aumur" title="Spécial:Citer/Échelle Réaumur">comment citer les auteurs et mentionner la licence</a>.<br /> Wikipedia® est une marque déposée de la <a rel="nofollow" class="external text" href="https://wikimediafoundation.org/">Wikimedia Foundation, Inc.</a>, organisation de bienfaisance régie par le paragraphe <a href="/wiki/501c" title="501c">501(c)(3)</a> du code fiscal des États-Unis.</span><br /></li> </ul> <ul id="footer-places"> <li id="footer-places-privacy"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Privacy_policy/fr">Politique de confidentialité</a></li> <li id="footer-places-about"><a href="/wiki/Wikip%C3%A9dia:%C3%80_propos_de_Wikip%C3%A9dia">À propos de Wikipédia</a></li> <li id="footer-places-disclaimers"><a href="/wiki/Wikip%C3%A9dia:Avertissements_g%C3%A9n%C3%A9raux">Avertissements</a></li> <li id="footer-places-contact"><a href="//fr.wikipedia.org/wiki/Wikipédia:Contact">Contact</a></li> <li id="footer-places-wm-codeofconduct"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Universal_Code_of_Conduct">Code de conduite</a></li> <li id="footer-places-developers"><a href="https://developer.wikimedia.org">Développeurs</a></li> <li id="footer-places-statslink"><a href="https://stats.wikimedia.org/#/fr.wikipedia.org">Statistiques</a></li> <li id="footer-places-cookiestatement"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Cookie_statement">Déclaration sur les témoins (cookies)</a></li> <li id="footer-places-mobileview"><a href="//fr.m.wikipedia.org/w/index.php?title=%C3%89chelle_R%C3%A9aumur&mobileaction=toggle_view_mobile" class="noprint stopMobileRedirectToggle">Version mobile</a></li> </ul> <ul id="footer-icons" class="noprint"> <li id="footer-copyrightico"><a href="https://wikimediafoundation.org/" class="cdx-button cdx-button--fake-button cdx-button--size-large cdx-button--fake-button--enabled"><img src="/static/images/footer/wikimedia-button.svg" width="84" height="29" alt="Wikimedia Foundation" loading="lazy"></a></li> <li id="footer-poweredbyico"><a href="https://www.mediawiki.org/" class="cdx-button cdx-button--fake-button cdx-button--size-large cdx-button--fake-button--enabled"><img src="/w/resources/assets/poweredby_mediawiki.svg" alt="Powered by MediaWiki" width="88" height="31" loading="lazy"></a></li> </ul> </footer> </div> </div> </div> <div class="vector-settings" id="p-dock-bottom"> <ul></ul> </div><script>(RLQ=window.RLQ||[]).push(function(){mw.config.set({"wgHostname":"mw-web.codfw.main-f69cdc8f6-rzfvc","wgBackendResponseTime":996,"wgPageParseReport":{"limitreport":{"cputime":"0.571","walltime":"0.802","ppvisitednodes":{"value":1523,"limit":1000000},"postexpandincludesize":{"value":34237,"limit":2097152},"templateargumentsize":{"value":5076,"limit":2097152},"expansiondepth":{"value":17,"limit":100},"expensivefunctioncount":{"value":0,"limit":500},"unstrip-depth":{"value":1,"limit":20},"unstrip-size":{"value":8019,"limit":5000000},"entityaccesscount":{"value":1,"limit":400},"timingprofile":["100.00% 657.876 1 -total"," 60.81% 400.076 1 Modèle:Liens"," 13.70% 90.130 1 Modèle:Échelle_de_température"," 13.21% 86.900 1 Modèle:Comparaison_des_échelles_de_température"," 10.78% 70.945 2 Modèle:Références"," 9.59% 63.113 4 Modèle:Note"," 6.97% 45.883 2 Modèle:Lien_web"," 5.65% 37.173 1 Modèle:Voir_homonymes"," 5.35% 35.215 1 Modèle:Méta_bandeau_de_note"," 5.33% 35.094 1 Modèle:Site_officiel"]},"scribunto":{"limitreport-timeusage":{"value":"0.377","limit":"10.000"},"limitreport-memusage":{"value":7741297,"limit":52428800}},"cachereport":{"origin":"mw-web.codfw.main-f69cdc8f6-rzfvc","timestamp":"20241125002119","ttl":2592000,"transientcontent":false}}});});</script> <script type="application/ld+json">{"@context":"https:\/\/schema.org","@type":"Article","name":"\u00c9chelle R\u00e9aumur","url":"https:\/\/fr.wikipedia.org\/wiki\/%C3%89chelle_R%C3%A9aumur","sameAs":"http:\/\/www.wikidata.org\/entity\/Q223061","mainEntity":"http:\/\/www.wikidata.org\/entity\/Q223061","author":{"@type":"Organization","name":"Contributeurs aux projets Wikimedia"},"publisher":{"@type":"Organization","name":"Fondation Wikimedia, Inc.","logo":{"@type":"ImageObject","url":"https:\/\/www.wikimedia.org\/static\/images\/wmf-hor-googpub.png"}},"datePublished":"2004-06-03T02:51:02Z","dateModified":"2023-12-30T21:48:39Z","image":"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/e\/e0\/Old_R%C3%A9aumur_scale_thermometer_-_IMG_0983.JPG","headline":"\u00e9chelle de temp\u00e9rature"}</script> </body> </html>