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aria-haspopup="true" data-event-name="ui.dropdown-vector-appearance-dropdown" class="vector-dropdown-checkbox " aria-label="Aspetto" > <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">Aspetto</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="https://donate.wikimedia.org/?wmf_source=donate&wmf_medium=sidebar&wmf_campaign=it.wikipedia.org&uselang=it" class=""><span>Fai una donazione</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=Speciale:CreaUtenza&returnto=Xi+%28lettera%29" title="Si consiglia di registrarsi e di effettuare l'accesso, anche se non è obbligatorio" class=""><span>registrati</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=Speciale:Entra&returnto=Xi+%28lettera%29" title="Si consiglia di effettuare l'accesso, anche se non è obbligatorio [o]" accesskey="o" class=""><span>entra</span></a> </li> </ul> </div> </div> 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id="p-user-menu-anon-editor" class="vector-menu mw-portlet mw-portlet-user-menu-anon-editor" > <div class="vector-menu-heading"> Pagine per utenti anonimi <a href="/wiki/Aiuto:Benvenuto" aria-label="Ulteriori informazioni sulla contribuzione"><span>ulteriori informazioni</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/Speciale:MieiContributi" title="Un elenco delle modifiche fatte da questo indirizzo IP [y]" accesskey="y"><span>contributi</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/Speciale:MieDiscussioni" title="Discussioni sulle modifiche fatte da questo indirizzo IP [n]" accesskey="n"><span>discussioni</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="Sito"> <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="Indice" 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">Indice</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">sposta nella barra laterale</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">nascondi</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">Inizio</div> </a> </li> <li id="toc-Usi" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Usi"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Usi</span> </div> </a> <button aria-controls="toc-Usi-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Attiva/disattiva la sottosezione Usi</span> </button> <ul id="toc-Usi-sublist" class="vector-toc-list"> <li id="toc-Minuscola" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Minuscola"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.1</span> <span>Minuscola</span> </div> </a> <ul id="toc-Minuscola-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Maiuscola" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Maiuscola"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.2</span> <span>Maiuscola</span> </div> </a> <ul id="toc-Maiuscola-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Note" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Note"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Note</span> </div> </a> <ul id="toc-Note-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Altri_progetti" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Altri_progetti"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Altri progetti</span> </div> </a> <ul id="toc-Altri_progetti-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="Indice" 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="Mostra/Nascondi l'indice" > <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">Mostra/Nascondi l'indice</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">Xi (lettera)</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="Vai a una voce in un'altra lingua. Disponibile in 82 lingue" > <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-82" 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">82 lingue</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ab mw-list-item"><a href="https://ab.wikipedia.org/wiki/%CE%9E" title="Ξ - abcaso" lang="ab" hreflang="ab" data-title="Ξ" data-language-autonym="Аԥсшәа" data-language-local-name="abcaso" class="interlanguage-link-target"><span>Аԥсшәа</span></a></li><li class="interlanguage-link interwiki-af mw-list-item"><a href="https://af.wikipedia.org/wiki/Ksi" title="Ksi - afrikaans" lang="af" hreflang="af" data-title="Ksi" data-language-autonym="Afrikaans" data-language-local-name="afrikaans" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-als mw-list-item"><a href="https://als.wikipedia.org/wiki/%CE%9E" title="Ξ - tedesco svizzero" lang="gsw" hreflang="gsw" data-title="Ξ" data-language-autonym="Alemannisch" data-language-local-name="tedesco svizzero" class="interlanguage-link-target"><span>Alemannisch</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D9%83%D8%B3%D9%8A_(%D8%AD%D8%B1%D9%81)" title="كسي (حرف) - arabo" lang="ar" hreflang="ar" data-title="كسي (حرف)" data-language-autonym="العربية" data-language-local-name="arabo" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-arc mw-list-item"><a href="https://arc.wikipedia.org/wiki/%CE%9E" title="Ξ - aramaico" lang="arc" hreflang="arc" data-title="Ξ" data-language-autonym="ܐܪܡܝܐ" data-language-local-name="aramaico" class="interlanguage-link-target"><span>ܐܪܡܝܐ</span></a></li><li class="interlanguage-link interwiki-bar mw-list-item"><a href="https://bar.wikipedia.org/wiki/Xi" title="Xi - bavarese" lang="bar" hreflang="bar" data-title="Xi" data-language-autonym="Boarisch" data-language-local-name="bavarese" class="interlanguage-link-target"><span>Boarisch</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%9A%D1%81%D1%96_(%D0%BB%D1%96%D1%82%D0%B0%D1%80%D0%B0)" title="Ксі (літара) - bielorusso" lang="be" hreflang="be" data-title="Ксі (літара)" data-language-autonym="Беларуская" data-language-local-name="bielorusso" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-be-x-old mw-list-item"><a href="https://be-tarask.wikipedia.org/wiki/%D0%9A%D1%81%D1%96_(%D0%B3%D1%80%D1%8D%D1%86%D0%BA%D0%B0%D1%8F_%D0%BB%D1%96%D1%82%D0%B0%D1%80%D0%B0)" title="Ксі (грэцкая літара) - Belarusian (Taraškievica orthography)" lang="be-tarask" hreflang="be-tarask" data-title="Ксі (грэцкая літара)" data-language-autonym="Беларуская (тарашкевіца)" data-language-local-name="Belarusian (Taraškievica orthography)" class="interlanguage-link-target"><span>Беларуская (тарашкевіца)</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%9A%D1%81%D0%B8" title="Кси - bulgaro" lang="bg" hreflang="bg" data-title="Кси" data-language-autonym="Български" data-language-local-name="bulgaro" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%B8%E0%A6%BF_(%E0%A6%97%E0%A7%8D%E0%A6%B0%E0%A6%BF%E0%A6%95_%E0%A6%AC%E0%A6%B0%E0%A7%8D%E0%A6%A3)" title="সি (গ্রিক বর্ণ) - bengalese" lang="bn" hreflang="bn" data-title="সি (গ্রিক বর্ণ)" data-language-autonym="বাংলা" data-language-local-name="bengalese" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-bo mw-list-item"><a href="https://bo.wikipedia.org/wiki/%E0%BD%81%E0%BD%B2%E0%BC%8B%E0%BD%A6%E0%BD%A0%E0%BD%BA%E0%BC%8D" title="ཁི་སའེ། - tibetano" lang="bo" hreflang="bo" data-title="ཁི་སའེ།" data-language-autonym="བོད་ཡིག" data-language-local-name="tibetano" class="interlanguage-link-target"><span>བོད་ཡིག</span></a></li><li class="interlanguage-link interwiki-br mw-list-item"><a href="https://br.wikipedia.org/wiki/Xi_(lizherenn)" title="Xi (lizherenn) - bretone" lang="br" hreflang="br" data-title="Xi (lizherenn)" data-language-autonym="Brezhoneg" data-language-local-name="bretone" class="interlanguage-link-target"><span>Brezhoneg</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Ksi" title="Ksi - catalano" lang="ca" hreflang="ca" data-title="Ksi" data-language-autonym="Català" data-language-local-name="catalano" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cdo mw-list-item"><a href="https://cdo.wikipedia.org/wiki/Xi_(c%C3%AA-m%C5%8D%CC%A4)" title="Xi (cê-mō̤) - Mindong" lang="cdo" hreflang="cdo" data-title="Xi (cê-mō̤)" data-language-autonym="閩東語 / Mìng-dĕ̤ng-ngṳ̄" data-language-local-name="Mindong" class="interlanguage-link-target"><span>閩東語 / Mìng-dĕ̤ng-ngṳ̄</span></a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%DA%A9%D8%B3%DB%8C_(%D9%BE%DB%8C%D8%AA)" title="کسی (پیت) - curdo centrale" lang="ckb" hreflang="ckb" data-title="کسی (پیت)" data-language-autonym="کوردی" data-language-local-name="curdo centrale" class="interlanguage-link-target"><span>کوردی</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Ks%C3%AD" title="Ksí - ceco" lang="cs" hreflang="cs" data-title="Ksí" data-language-autonym="Čeština" data-language-local-name="ceco" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-cy mw-list-item"><a href="https://cy.wikipedia.org/wiki/Xi" title="Xi - gallese" lang="cy" hreflang="cy" data-title="Xi" data-language-autonym="Cymraeg" data-language-local-name="gallese" class="interlanguage-link-target"><span>Cymraeg</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Xi_(bogstav)" title="Xi (bogstav) - danese" lang="da" hreflang="da" data-title="Xi (bogstav)" data-language-autonym="Dansk" data-language-local-name="danese" 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/Xi" title="Xi - tedesco" lang="de" hreflang="de" data-title="Xi" data-language-autonym="Deutsch" data-language-local-name="tedesco" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-diq mw-list-item"><a href="https://diq.wikipedia.org/wiki/%CE%9E" title="Ξ - Zazaki" lang="diq" hreflang="diq" data-title="Ξ" data-language-autonym="Zazaki" data-language-local-name="Zazaki" class="interlanguage-link-target"><span>Zazaki</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%9E%CE%B9" title="Ξι - greco" lang="el" hreflang="el" data-title="Ξι" data-language-autonym="Ελληνικά" data-language-local-name="greco" 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/Xi_(letter)" title="Xi (letter) - inglese" lang="en" hreflang="en" data-title="Xi (letter)" data-language-autonym="English" data-language-local-name="inglese" 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/Ksio" title="Ksio - esperanto" lang="eo" hreflang="eo" data-title="Ksio" data-language-autonym="Esperanto" data-language-local-name="esperanto" 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/%CE%9E" title="Ξ - spagnolo" lang="es" hreflang="es" data-title="Ξ" data-language-autonym="Español" data-language-local-name="spagnolo" 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/Ksii" title="Ksii - estone" lang="et" hreflang="et" data-title="Ksii" data-language-autonym="Eesti" data-language-local-name="estone" 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/Xi" title="Xi - basco" lang="eu" hreflang="eu" data-title="Xi" data-language-autonym="Euskara" data-language-local-name="basco" 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/%DA%A9%D8%B3%DB%8C" title="کسی - persiano" lang="fa" hreflang="fa" data-title="کسی" data-language-autonym="فارسی" data-language-local-name="persiano" 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/Ksii" title="Ksii - finlandese" lang="fi" hreflang="fi" data-title="Ksii" data-language-autonym="Suomi" data-language-local-name="finlandese" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Xi" title="Xi - francese" lang="fr" hreflang="fr" data-title="Xi" data-language-autonym="Français" data-language-local-name="francese" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/X%C3%AD" title="Xí - irlandese" lang="ga" hreflang="ga" data-title="Xí" data-language-autonym="Gaeilge" data-language-local-name="irlandese" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gd mw-list-item"><a href="https://gd.wikipedia.org/wiki/Xi" title="Xi - gaelico scozzese" lang="gd" hreflang="gd" data-title="Xi" data-language-autonym="Gàidhlig" data-language-local-name="gaelico scozzese" class="interlanguage-link-target"><span>Gàidhlig</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Xi" title="Xi - galiziano" lang="gl" hreflang="gl" data-title="Xi" data-language-autonym="Galego" data-language-local-name="galiziano" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-hak mw-list-item"><a href="https://hak.wikipedia.org/wiki/%CE%9E" title="Ξ - hakka" lang="hak" hreflang="hak" data-title="Ξ" data-language-autonym="客家語 / Hak-kâ-ngî" data-language-local-name="hakka" class="interlanguage-link-target"><span>客家語 / Hak-kâ-ngî</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%A7%D7%A1%D7%99" title="קסי - ebraico" lang="he" hreflang="he" data-title="קסי" data-language-autonym="עברית" data-language-local-name="ebraico" 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/Ksi" title="Ksi - croato" lang="hr" hreflang="hr" data-title="Ksi" data-language-autonym="Hrvatski" data-language-local-name="croato" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-ht mw-list-item"><a href="https://ht.wikipedia.org/wiki/%CE%9E" title="Ξ - creolo haitiano" lang="ht" hreflang="ht" data-title="Ξ" data-language-autonym="Kreyòl ayisyen" data-language-local-name="creolo haitiano" class="interlanguage-link-target"><span>Kreyòl ayisyen</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Ksz%C3%AD" title="Kszí - ungherese" lang="hu" hreflang="hu" data-title="Kszí" data-language-autonym="Magyar" data-language-local-name="ungherese" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D5%94%D5%BD%D5%AB_(%D5%BF%D5%A1%D5%BC)" title="Քսի (տառ) - armeno" lang="hy" hreflang="hy" data-title="Քսի (տառ)" data-language-autonym="Հայերեն" data-language-local-name="armeno" 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/Ksi_(huruf_Yunani)" title="Ksi (huruf Yunani) - indonesiano" lang="id" hreflang="id" data-title="Ksi (huruf Yunani)" data-language-autonym="Bahasa Indonesia" data-language-local-name="indonesiano" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-is mw-list-item"><a href="https://is.wikipedia.org/wiki/X%C3%AD" title="Xí - islandese" lang="is" hreflang="is" data-title="Xí" data-language-autonym="Íslenska" data-language-local-name="islandese" class="interlanguage-link-target"><span>Íslenska</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%CE%9E" title="Ξ - giapponese" lang="ja" hreflang="ja" data-title="Ξ" data-language-autonym="日本語" data-language-local-name="giapponese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%A5%E1%83%A1%E1%83%98_(%E1%83%90%E1%83%A1%E1%83%9D)" title="ქსი (ასო) - georgiano" lang="ka" hreflang="ka" data-title="ქსი (ასო)" data-language-autonym="ქართული" data-language-local-name="georgiano" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-kge mw-list-item"><a href="https://kge.wikipedia.org/wiki/%CE%9E_(Xi)" title="Ξ (Xi) - Komering" lang="kge" hreflang="kge" data-title="Ξ (Xi)" data-language-autonym="Kumoring" data-language-local-name="Komering" class="interlanguage-link-target"><span>Kumoring</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%CE%9E" title="Ξ - coreano" lang="ko" hreflang="ko" data-title="Ξ" data-language-autonym="한국어" data-language-local-name="coreano" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-ku mw-list-item"><a href="https://ku.wikipedia.org/wiki/Ks%C3%AE" title="Ksî - curdo" lang="ku" hreflang="ku" data-title="Ksî" data-language-autonym="Kurdî" data-language-local-name="curdo" class="interlanguage-link-target"><span>Kurdî</span></a></li><li class="interlanguage-link interwiki-kv mw-list-item"><a href="https://kv.wikipedia.org/wiki/%D0%9A%D1%81%D0%B8" title="Кси - komi" lang="kv" hreflang="kv" data-title="Кси" data-language-autonym="Коми" data-language-local-name="komi" class="interlanguage-link-target"><span>Коми</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/Xi" title="Xi - latino" lang="la" hreflang="la" data-title="Xi" data-language-autonym="Latina" data-language-local-name="latino" class="interlanguage-link-target"><span>Latina</span></a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/Xi" title="Xi - lussemburghese" lang="lb" hreflang="lb" data-title="Xi" data-language-autonym="Lëtzebuergesch" data-language-local-name="lussemburghese" class="interlanguage-link-target"><span>Lëtzebuergesch</span></a></li><li class="interlanguage-link interwiki-lez mw-list-item"><a href="https://lez.wikipedia.org/wiki/%D0%9A%D1%81%D0%B8_(%D0%B3%D1%8C%D0%B0%D1%80%D1%84)" title="Кси (гьарф) - lesgo" lang="lez" hreflang="lez" data-title="Кси (гьарф)" data-language-autonym="Лезги" data-language-local-name="lesgo" class="interlanguage-link-target"><span>Лезги</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Ksi_(raid%C4%97)" title="Ksi (raidė) - lituano" lang="lt" hreflang="lt" data-title="Ksi (raidė)" data-language-autonym="Lietuvių" data-language-local-name="lituano" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Ks%C4%AB" title="Ksī - lettone" lang="lv" hreflang="lv" data-title="Ksī" data-language-autonym="Latviešu" data-language-local-name="lettone" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-mr mw-list-item"><a href="https://mr.wikipedia.org/wiki/%E0%A4%9D%E0%A5%80_(%E0%A4%85%E0%A4%95%E0%A5%8D%E0%A4%B7%E0%A4%B0)" title="झी (अक्षर) - marathi" lang="mr" hreflang="mr" data-title="झी (अक्षर)" data-language-autonym="मराठी" data-language-local-name="marathi" class="interlanguage-link-target"><span>मराठी</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Xi" title="Xi - malese" lang="ms" hreflang="ms" data-title="Xi" data-language-autonym="Bahasa Melayu" data-language-local-name="malese" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-nah mw-list-item"><a href="https://nah.wikipedia.org/wiki/%CE%9E" title="Ξ - Nahuatl" lang="nah" hreflang="nah" data-title="Ξ" data-language-autonym="Nāhuatl" data-language-local-name="Nahuatl" class="interlanguage-link-target"><span>Nāhuatl</span></a></li><li class="interlanguage-link interwiki-nds mw-list-item"><a href="https://nds.wikipedia.org/wiki/Xi" title="Xi - basso tedesco" lang="nds" hreflang="nds" data-title="Xi" data-language-autonym="Plattdüütsch" data-language-local-name="basso tedesco" class="interlanguage-link-target"><span>Plattdüütsch</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Xi_(letter)" title="Xi (letter) - olandese" lang="nl" hreflang="nl" data-title="Xi (letter)" data-language-autonym="Nederlands" data-language-local-name="olandese" 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/Ksi" title="Ksi - norvegese nynorsk" lang="nn" hreflang="nn" data-title="Ksi" data-language-autonym="Norsk nynorsk" data-language-local-name="norvegese 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/Ksi" title="Ksi - norvegese bokmål" lang="nb" hreflang="nb" data-title="Ksi" data-language-autonym="Norsk bokmål" data-language-local-name="norvegese bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-oc mw-list-item"><a href="https://oc.wikipedia.org/wiki/Xi" title="Xi - occitano" lang="oc" hreflang="oc" data-title="Xi" data-language-autonym="Occitan" data-language-local-name="occitano" class="interlanguage-link-target"><span>Occitan</span></a></li><li class="interlanguage-link interwiki-pa mw-list-item"><a href="https://pa.wikipedia.org/wiki/%E0%A8%95%E0%A8%B8%E0%A9%80_(%E0%A8%85%E0%A9%B1%E0%A8%96%E0%A8%B0)" title="ਕਸੀ (ਅੱਖਰ) - punjabi" lang="pa" hreflang="pa" data-title="ਕਸੀ (ਅੱਖਰ)" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="punjabi" class="interlanguage-link-target"><span>ਪੰਜਾਬੀ</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Ksi" title="Ksi - polacco" lang="pl" hreflang="pl" data-title="Ksi" data-language-autonym="Polski" data-language-local-name="polacco" 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/%CE%9E" title="Ξ - portoghese" lang="pt" hreflang="pt" data-title="Ξ" data-language-autonym="Português" data-language-local-name="portoghese" 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/Csi_(liter%C4%83)" title="Csi (literă) - rumeno" lang="ro" hreflang="ro" data-title="Csi (literă)" data-language-autonym="Română" data-language-local-name="rumeno" 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%9A%D1%81%D0%B8_(%D0%B1%D1%83%D0%BA%D0%B2%D0%B0_%D0%B3%D1%80%D0%B5%D1%87%D0%B5%D1%81%D0%BA%D0%BE%D0%B3%D0%BE_%D0%B0%D0%BB%D1%84%D0%B0%D0%B2%D0%B8%D1%82%D0%B0)" title="Кси (буква греческого алфавита) - russo" lang="ru" hreflang="ru" data-title="Кси (буква греческого алфавита)" data-language-autonym="Русский" data-language-local-name="russo" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-se mw-list-item"><a href="https://se.wikipedia.org/wiki/%CE%9E" title="Ξ - sami del nord" lang="se" hreflang="se" data-title="Ξ" data-language-autonym="Davvisámegiella" data-language-local-name="sami del nord" class="interlanguage-link-target"><span>Davvisámegiella</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Ksi" title="Ksi - serbo-croato" lang="sh" hreflang="sh" data-title="Ksi" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="serbo-croato" 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/Xi" title="Xi - Simple English" lang="en-simple" hreflang="en-simple" data-title="Xi" 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/Ks%C3%AD" title="Ksí - slovacco" lang="sk" hreflang="sk" data-title="Ksí" data-language-autonym="Slovenčina" data-language-local-name="slovacco" 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/Ksi" title="Ksi - sloveno" lang="sl" hreflang="sl" data-title="Ksi" data-language-autonym="Slovenščina" data-language-local-name="sloveno" 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/%D0%9A%D1%81%D0%B8_(%D1%81%D0%BB%D0%BE%D0%B2%D0%BE)" title="Кси (слово) - serbo" lang="sr" hreflang="sr" data-title="Кси (слово)" data-language-autonym="Српски / srpski" data-language-local-name="serbo" 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/Xi_(bokstav)" title="Xi (bokstav) - svedese" lang="sv" hreflang="sv" data-title="Xi (bokstav)" data-language-autonym="Svenska" data-language-local-name="svedese" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-sw mw-list-item"><a href="https://sw.wikipedia.org/wiki/Ksi" title="Ksi - swahili" lang="sw" hreflang="sw" data-title="Ksi" data-language-autonym="Kiswahili" data-language-local-name="swahili" class="interlanguage-link-target"><span>Kiswahili</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B9%84%E0%B8%8B_(%E0%B8%AD%E0%B8%B1%E0%B8%81%E0%B8%A9%E0%B8%A3%E0%B8%81%E0%B8%A3%E0%B8%B5%E0%B8%81)" title="ไซ (อักษรกรีก) - thailandese" lang="th" hreflang="th" data-title="ไซ (อักษรกรีก)" data-language-autonym="ไทย" data-language-local-name="thailandese" 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/Ksi" title="Ksi - turco" lang="tr" hreflang="tr" data-title="Ksi" data-language-autonym="Türkçe" data-language-local-name="turco" 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%9A%D1%81%D1%96_(%D0%BB%D1%96%D1%82%D0%B5%D1%80%D0%B0)" title="Ксі (літера) - ucraino" lang="uk" hreflang="uk" data-title="Ксі (літера)" data-language-autonym="Українська" data-language-local-name="ucraino" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-vep mw-list-item"><a href="https://vep.wikipedia.org/wiki/Ksi" title="Ksi - vepso" lang="vep" hreflang="vep" data-title="Ksi" data-language-autonym="Vepsän kel’" data-language-local-name="vepso" class="interlanguage-link-target"><span>Vepsän kel’</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Xi" title="Xi - vietnamita" lang="vi" hreflang="vi" data-title="Xi" data-language-autonym="Tiếng Việt" data-language-local-name="vietnamita" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-war mw-list-item"><a href="https://war.wikipedia.org/wiki/Xi_(agi)" title="Xi (agi) - waray" lang="war" hreflang="war" data-title="Xi (agi)" data-language-autonym="Winaray" data-language-local-name="waray" class="interlanguage-link-target"><span>Winaray</span></a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/%CE%9E" title="Ξ - wu" lang="wuu" hreflang="wuu" data-title="Ξ" data-language-autonym="吴语" data-language-local-name="wu" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%CE%9E" title="Ξ - cinese" lang="zh" hreflang="zh" data-title="Ξ" data-language-autonym="中文" data-language-local-name="cinese" class="interlanguage-link-target"><span>中文</span></a></li><li class="interlanguage-link interwiki-zh-min-nan mw-list-item"><a href="https://zh-min-nan.wikipedia.org/wiki/%CE%9E" title="Ξ - min nan" lang="nan" hreflang="nan" data-title="Ξ" data-language-autonym="閩南語 / Bân-lâm-gú" data-language-local-name="min nan" class="interlanguage-link-target"><span>閩南語 / Bân-lâm-gú</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%CE%9E" title="Ξ - cantonese" lang="yue" hreflang="yue" data-title="Ξ" data-language-autonym="粵語" data-language-local-name="cantonese" class="interlanguage-link-target"><span>粵語</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/Q14406#sitelinks-wikipedia" title="Modifica collegamenti interlinguistici" class="wbc-editpage">Modifica collegamenti</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="Namespace"> <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" 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id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="it" dir="ltr"><table class="noprint" style="width:15.0em !important; border-radius:0.5em; -moz-border-radius:0.5em; border:1px solid #AAA; float:right; font-size:13px; background-color:#FFF; margin-bottom: 1em; margin-left: 1em;" cellspacing="5"> <tbody><tr> <td colspan="4" style="text-align:center; padding:0.5em 0em;"><span typeof="mw:File"><a href="/wiki/File:Xi_uc_lc.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/c/cd/Xi_uc_lc.svg/160px-Xi_uc_lc.svg.png" decoding="async" width="160" height="107" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/cd/Xi_uc_lc.svg/240px-Xi_uc_lc.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/cd/Xi_uc_lc.svg/320px-Xi_uc_lc.svg.png 2x" data-file-width="3000" data-file-height="2000" /></a></span> </td></tr> <tr> <th bgcolor="#ccccff" colspan="4" style="text-align:center; padding:0.4em 0em; border-radius:0.4em; -moz-border-radius:0.4em; font-size:100%"><a href="/wiki/Alfabeto_greco#Lettere_classiche" title="Alfabeto greco">Lettere classiche</a> </th></tr> <tr> <td style="font-family:Times New Roman, serif; font-size:1.2em;"><b>Αα</b></td> <td><a href="/wiki/Alfa_(lettera)" title="Alfa (lettera)">Alfa</a> </td> <td style="font-family:Times New Roman, serif; font-size:1.2em;"><b>Νν</b></td> <td><a href="/wiki/Ni_(lettera)" title="Ni (lettera)">Ni</a> </td></tr> <tr> <td style="font-family:Times New Roman, serif; font-size:1.2em;"><b>Ββ</b></td> <td><a href="/wiki/Beta" title="Beta">Beta</a> </td> <td style="font-family:Times New Roman, serif; font-size:1.2em;"><b>Ξξ</b></td> <td><a class="mw-selflink selflink">Xi</a> </td></tr> <tr> <td style="font-family:Times New Roman, serif; font-size:1.2em;"><b>Γγ</b></td> <td><a href="/wiki/Gamma_(lettera)" title="Gamma (lettera)">Gamma</a> </td> <td style="font-family:Times New Roman, serif; font-size:1.2em;"><b>Οο</b></td> <td><a href="/wiki/Omicron" title="Omicron">Omicron</a> </td></tr> <tr> <td style="font-family:Times New Roman, serif; font-size:1.2em;"><b>Δδ</b></td> <td><a href="/wiki/Delta_(lettera)" title="Delta (lettera)">Delta</a> </td> <td style="font-family:Times New Roman, serif; font-size:1.2em;"><b>Ππ</b></td> <td><a href="/wiki/Pi_(lettera_greca)" title="Pi (lettera greca)">Pi</a> </td></tr> <tr> <td style="font-family:Times New Roman, serif; font-size:1.2em;"><b>Εε</b></td> <td><a href="/wiki/Epsilon" title="Epsilon">Epsilon</a> </td> <td style="font-family:Times New Roman, serif; font-size:1.2em;"><b>Ρρ</b></td> <td><a href="/wiki/Rho_(lettera)" title="Rho (lettera)">Rho</a> </td></tr> <tr> <td style="font-family:Times New Roman, serif; font-size:1.2em;"><b>Ζζ</b></td> <td><a href="/wiki/Zeta_(lettera_greca)" title="Zeta (lettera greca)">Zeta</a> </td> <td style="font-family:Times New Roman, serif; font-size:1.2em;"><b>Σσς</b></td> <td><a href="/wiki/Sigma" title="Sigma">Sigma</a> </td></tr> <tr> <td style="font-family:Times New Roman, serif; font-size:1.2em;"><b>Ηη</b></td> <td><a href="/wiki/Eta_(lettera)" title="Eta (lettera)">Eta</a> </td> <td style="font-family:Times New Roman, serif; font-size:1.2em;"><b>Ττ</b></td> <td><a href="/wiki/Tau" title="Tau">Tau</a> </td></tr> <tr> <td style="font-family:Times New Roman, serif; font-size:1.2em;"><b>Θθ</b></td> <td><a href="/wiki/Theta" title="Theta">Theta</a> </td> <td style="font-family:Times New Roman, serif; font-size:1.2em;"><b>Υυ</b></td> <td><a href="/wiki/Ypsilon" title="Ypsilon">Ypsilon</a> </td></tr> <tr> <td style="font-family:Times New Roman, serif; font-size:1.2em;"><b>Ιι</b></td> <td><a href="/wiki/Iota" title="Iota">Iota</a> </td> <td style="font-family:Times New Roman, serif; font-size:1.2em;"><b>Φφ</b></td> <td><a href="/wiki/Phi_(lettera)" title="Phi (lettera)">Phi</a> </td></tr> <tr> <td style="font-family:Times New Roman, serif; font-size:1.2em;"><b>Κκ</b></td> <td><a href="/wiki/Kappa_(lettera_greca)" title="Kappa (lettera greca)">Kappa</a> </td> <td style="font-family:Times New Roman, serif; font-size:1.2em;"><b>Χχ</b></td> <td><a href="/wiki/Chi_(lettera)" title="Chi (lettera)">Chi</a> </td></tr> <tr> <td style="font-family:Times New Roman, serif; font-size:1.2em;"><b>Λλ</b></td> <td><a href="/wiki/Lambda" title="Lambda">Lambda</a> </td> <td style="font-family:Times New Roman, serif; font-size:1.2em;"><b>Ψψ</b></td> <td><a href="/wiki/Psi_(lettera)" title="Psi (lettera)">Psi</a> </td></tr> <tr> <td style="font-family:Times New Roman, serif; font-size:1.2em;"><b>Μμ</b></td> <td><a href="/wiki/Mi_(lettera)" title="Mi (lettera)">Mi</a> </td> <td style="font-family:Times New Roman, serif; font-size:1.2em;"><b>Ωω</b></td> <td><a href="/wiki/Omega" title="Omega">Omega</a> </td></tr> <tr> <th bgcolor="#ccccff" colspan="4" style="text-align:center; padding:0.4em 0em; border-radius:0.4em; -moz-border-radius:0.4em;"><a href="/wiki/Alfabeto_greco#Lettere_numerali" title="Alfabeto greco">Lettere numerali</a> </th></tr> <tr> <td style="font-family:Times New Roman, serif; font-size:1.2em;"><b>Ϛϛ</b></td> <td><a href="/wiki/Stigma_(lettera)" title="Stigma (lettera)">Stigma</a> </td> <td style="font-family:Times New Roman, serif; font-size:1.2em;"><b>Ϡϡ</b></td> <td><a href="/wiki/Sampi" title="Sampi">Sampi</a> </td></tr> <tr> <td style="font-family:Times New Roman, serif; font-size:1.2em;"><b>Ϟϟ</b></td> <td><a href="/wiki/Qoppa" title="Qoppa">Qoppa</a> </td></tr> <tr> <th bgcolor="#ccccff" colspan="4" style="text-align:center; padding:0.4em 0em; border-radius:0.4em; -moz-border-radius:0.4em;"><a href="/wiki/Alfabeto_greco#Lettere_arcaiche" title="Alfabeto greco">Lettere arcaiche</a> </th></tr> <tr> <td style="font-family:Times New Roman, serif; font-size:1.2em;"><b>Ϝϝ</b></td> <td><a href="/wiki/Digamma" title="Digamma">Digamma</a> </td> <td style="font-family:Times New Roman, serif; font-size:1.2em;"><b>Ϻϻ</b></td> <td><a href="/wiki/San_(lettera)" title="San (lettera)">San</a> </td></tr> <tr> <td style="font-family:Times New Roman, serif; font-size:1.2em;"><b>Ͱͱ</b></td> <td><a href="/wiki/Heta_(lettera)" title="Heta (lettera)">Heta</a> </td></tr> <tr> <th bgcolor="#ccccff" colspan="4" style="text-align:center; padding:0.4em 0em; border-radius:0.4em; -moz-border-radius:0.4em;"><a href="/wiki/Alfabeto_greco#Altri_caratteri" title="Alfabeto greco">Altri caratteri</a> </th></tr> <tr> <td style="font-family:Times New Roman, serif; font-size:1.2em;"><b>Ϳϳ</b></td> <td><a href="/wiki/Jod" title="Jod">Jod</a> </td> <td style="font-family:Times New Roman, serif; font-size:1.2em;"><b>Ϸϸ</b></td> <td><a href="/wiki/Sho_(lettera)" title="Sho (lettera)">Sho</a> </td></tr> <tr> <td colspan="4"><hr /> </td></tr> <tr> <td align="center" colspan="4" style="font-size:85%;"><a href="/wiki/Segni_diacritici_dell%27alfabeto_greco" title="Segni diacritici dell'alfabeto greco">Segni diacritici</a> </td></tr> </tbody></table> <p>La <b>csi</b>, o <b>xi</b> (<b>Ξ</b>; <b>ξ</b>), è la quattordicesima <a href="/wiki/Lettera_alfabetica" class="mw-redirect" title="Lettera alfabetica">lettera</a> dell'<a href="/wiki/Alfabeto_greco" title="Alfabeto greco">alfabeto greco</a>. È una delle tre <a href="/wiki/Consonante" title="Consonante">consonanti</a> doppie: risulta dall'unione di una <a href="/wiki/Velare" class="mw-redirect" title="Velare">velare</a> (<a href="/wiki/Kappa_(lettera_greca)" title="Kappa (lettera greca)">κ</a>, <a href="/wiki/Gamma_(lettera)" title="Gamma (lettera)">γ</a> oppure <a href="/wiki/Chi_(lettera)" title="Chi (lettera)">χ</a>) e della <a href="/wiki/Sibilante" class="mw-redirect" title="Sibilante">sibilante</a> <a href="/wiki/Sigma_(lettera)" class="mw-redirect" title="Sigma (lettera)">sigma</a> (σ, ς). Nel <a href="/wiki/Sistema_di_numerazione_greco" title="Sistema di numerazione greco">sistema di numerazione greco</a> ha il valore di 60 (con un trattino in alto a destra; col trattino in basso a sinistra, simboleggia invece il numero 60.000). La lettera xi deriva dalla lettera fenicia samekh (𐤎).<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p><p>Sia nel <a href="/wiki/Lingua_greca_antica" title="Lingua greca antica">greco antico</a> classico che nel <a href="/wiki/Lingua_greca_moderna" title="Lingua greca moderna">greco moderno</a>, la lettera Ξ rappresenta il gruppo consonantico /ks/. In alcune <a href="/wiki/Alfabeti_greci_arcaici" title="Alfabeti greci arcaici">varianti locali arcaiche</a> dell'alfabeto greco questa lettera non era presente. Invece, soprattutto nei dialetti di gran parte della Grecia continentale e dell'<a href="/wiki/Eubea" title="Eubea">Eubea</a>, il gruppo /ks/ era rappresentato da Χ (che nel greco classico è <a href="/wiki/Chi_(lettera)" title="Chi (lettera)">chi</a>, usato per <a href="/wiki/Aiuto:IPA" title="Aiuto:IPA"><span title="Questa è una trascrizione IPA della pronuncia. Vedere l'alfabeto fonetico internazionale." class="IPA">/kʰ/</span></a>).<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> Poiché questa variante dell'alfabeto greco era usata nella <a href="/wiki/Magna_Grecia" title="Magna Grecia">Magna Grecia</a> (le colonie greche in <a href="/wiki/Sicilia" title="Sicilia">Sicilia</a> e nella parte meridionale della <a href="/wiki/Penisola_italiana" title="Penisola italiana">penisola italiana</a>), l'<a href="/wiki/Alfabeto_latino" title="Alfabeto latino">alfabeto latino</a> ereditò Χ anziché Ξ come lettera latina che rappresentava il gruppo /ks/ presente anche nella <a href="/wiki/Lingua_latina_arcaica" title="Lingua latina arcaica">lingua latina</a>. </p><p>La lettera greca classica fu adottata nel <a href="/wiki/Alfabeto_cirillico_arcaico" title="Alfabeto cirillico arcaico">alfabeto cirillico arcaico</a> come "<a href="/wiki/Ksi_(cirillico)" title="Ksi (cirillico)">Ѯ</a>". </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Usi">Usi</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Xi_(lettera)&veaction=edit&section=1" title="Modifica la sezione Usi" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Xi_(lettera)&action=edit&section=1" title="Edit section's source code: Usi"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Minuscola">Minuscola</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Xi_(lettera)&veaction=edit&section=2" title="Modifica la sezione Minuscola" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Xi_(lettera)&action=edit&section=2" title="Edit section's source code: Minuscola"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>La lettera minuscola ξ viene utilizzata come simbolo per: </p> <ul><li>Le <a href="/wiki/Variabile_casuale" title="Variabile casuale">variabili casuali</a></li> <li>L'equazione della funzione simmetrica della <a href="/wiki/Funzione_zeta_di_Riemann" title="Funzione zeta di Riemann">funzione zeta di Riemann</a> in matematica, nota anche come <a href="/wiki/Funzione_Xi_di_Riemann" title="Funzione Xi di Riemann">funzione Xi di Riemann</a></li> <li>Un <a href="/wiki/Insieme_universo" title="Insieme universo">insieme universo</a> nella <a href="/wiki/Teoria_degli_insiemi" title="Teoria degli insiemi">teoria degli insiemi</a></li> <li>Un numero utilizzato nel resto del <a href="/wiki/Teorema_di_Taylor" title="Teorema di Taylor">teorema di Taylor</a> che rientra tra i limiti <i>a</i> e <i>b</i></li> <li>Un numero utilizzato nelle approssimazioni degli errori per le formule che sono applicazioni del teorema di Taylor, come le <a href="/wiki/Formule_di_Newton-Cotes" title="Formule di Newton-Cotes">formule di Newton-Cotes</a></li> <li>La <a href="/wiki/Funzione_di_massa_iniziale" title="Funzione di massa iniziale">funzione di massa iniziale</a> in <a href="/wiki/Astronomia" title="Astronomia">astronomia</a></li> <li>La coordinata x dello spazio computazionale utilizzata nella <a href="/wiki/Fluidodinamica_computazionale" title="Fluidodinamica computazionale">fluidodinamica computazionale</a></li> <li>L'integrale radiale nell'operatore matrice spin-orbita in <a href="/wiki/Fisica_atomica" title="Fisica atomica">fisica atomica</a>.</li> <li>Il raggio adimensionale nell'<a href="/wiki/Equazione_di_Lane-Emden" title="Equazione di Lane-Emden">equazione di Lane-Emden</a></li> <li>Il <a href="/wiki/Grado_di_avanzamento" title="Grado di avanzamento">Grado di avanzamento</a>, un concetto di <a href="/wiki/Chimica_fisica" title="Chimica fisica">chimica fisica</a><sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> utilizzato spesso nella cinetica <a href="/wiki/Ingegneria_chimica" title="Ingegneria chimica">dell'ingegneria chimica</a> e <a href="/wiki/Termochimica" title="Termochimica">nella termochimica</a></li></ul> <div class="mw-heading mw-heading3"><h3 id="Maiuscola">Maiuscola</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Xi_(lettera)&veaction=edit&section=3" title="Modifica la sezione Maiuscola" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Xi_(lettera)&action=edit&section=3" title="Edit section's source code: Maiuscola"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>La lettera maiuscola Ξ viene utilizzata come simbolo per: </p> <ul><li>La <a href="/w/index.php?title=Funzione_%CE%9E_di_Harish-Chandra&action=edit&redlink=1" class="new" title="Funzione Ξ di Harish-Chandra (la pagina non esiste)">funzione Ξ di Harish-Chandra</a> nell'<a href="/wiki/Analisi_armonica" title="Analisi armonica">analisi armonica</a> e nella <a href="/wiki/Teoria_delle_rappresentazioni" title="Teoria delle rappresentazioni">teoria delle rappresentazioni</a></li> <li>La <a href="/wiki/Funzione_Xi_di_Riemann" title="Funzione Xi di Riemann">funzione Xi di Riemann</a> nella <a href="/wiki/Teoria_analitica_dei_numeri" title="Teoria analitica dei numeri">teoria analitica dei numeri</a> e nell'<a href="/wiki/Analisi_complessa" title="Analisi complessa">analisi complessa</a></li> <li>I <a href="/wiki/Barione_Xi" title="Barione Xi">barioni Xi</a> nella fisica delle particelle</li> <li>La <a href="/wiki/Funzione_di_partizione_(meccanica_statistica)" title="Funzione di partizione (meccanica statistica)">funzione di partizione</a> nell'<a href="/wiki/Insieme_gran_canonico" title="Insieme gran canonico">insieme gran canonico</a> in meccanica statistica</li> <li>Rimpiazzare la lettera latina <a href="/wiki/E" title="E">E</a> in alcuni loghi.</li></ul> <div class="mw-heading mw-heading2"><h2 id="Note">Note</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Xi_(lettera)&veaction=edit&section=4" title="Modifica la sezione Note" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Xi_(lettera)&action=edit&section=4" title="Edit section's source code: Note"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><a href="#cite_ref-1"><b>^</b></a> <span class="reference-text"><cite class="citation libro" style="font-style:normal"> W. JSTOR, <a rel="nofollow" class="external text" href="http://archive.org/details/jstor-2935792"><span style="font-style:italic;">On Semitic Words in Greek and Latin</span></a>, Transactions of the American Philological Association (1869-1896), 1º gennaio 1892. <small>URL consultato il 27 giugno 2024</small>.</cite></span> </li> <li id="cite_note-2"><a href="#cite_ref-2"><b>^</b></a> <span class="reference-text"><cite class="citation libro" style="font-style:normal">(<span style="font-weight:bolder; font-size:80%"><abbr title="inglese">EN</abbr></span>) Roger D. Woodard, <a rel="nofollow" class="external text" href="https://onlinelibrary.wiley.com/doi/10.1002/9781444317398.ch3"><span style="font-style:italic;">Phoinikēia Grammata : An Alphabet for the Greek Language</span></a>, 1ª ed., Wiley, 12 marzo 2010, pp. 25–46, <a href="/wiki/Digital_object_identifier" title="Digital object identifier">DOI</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1002%2F9781444317398.ch3">10.1002/9781444317398.ch3</a>, <a href="/wiki/ISBN" title="ISBN">ISBN</a> <a href="/wiki/Speciale:RicercaISBN/978-1-4051-5326-3" title="Speciale:RicercaISBN/978-1-4051-5326-3">978-1-4051-5326-3</a>. <small>URL consultato il 27 giugno 2024</small>.</cite></span> </li> <li id="cite_note-3"><a href="#cite_ref-3"><b>^</b></a> <span class="reference-text">IUPAC Gold Book Entry: <a rel="nofollow" class="external text" href="http://goldbook.iupac.org/E02283.html">"Extent of Reaction"</a> </span> </li> </ol></div> <div class="mw-heading mw-heading2"><h2 id="Altri_progetti">Altri progetti</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Xi_(lettera)&veaction=edit&section=5" title="Modifica la sezione Altri progetti" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Xi_(lettera)&action=edit&section=5" title="Edit section's source code: Altri progetti"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <div id="interProject" class="toccolours" style="display: none; clear: both; margin-top: 2em"><p id="sisterProjects" style="background-color: #efefef; color: black; font-weight: bold; margin: 0"><span>Altri progetti</span></p><ul title="Collegamenti verso gli altri progetti Wikimedia"> <li class="" title=""><span class="plainlinks" title="commons:Category:Xi (letter)"><a class="external text" href="https://commons.wikimedia.org/wiki/Category:Xi_(letter)?uselang=it">Wikimedia Commons</a></span></li></ul></div> <ul><li><span typeof="mw:File"><a href="https://commons.wikimedia.org/wiki/?uselang=it" title="Collabora a Wikimedia Commons"><img alt="Collabora a Wikimedia Commons" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/18px-Commons-logo.svg.png" decoding="async" width="18" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/27px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/36px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></a></span> <span class="plainlinks"><a class="external text" href="https://commons.wikimedia.org/wiki/?uselang=it">Wikimedia Commons</a></span> contiene immagini o altri file su <b><span class="plainlinks"><a class="external text" href="https://commons.wikimedia.org/wiki/Category:Xi_(letter)?uselang=it">Xi</a></span></b></li></ul> <div class="noprint" style="width:100%; 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