"event horizon" meaning in English

See event horizon in All languages combined, or Wiktionary

Noun

IPA: /əˈvɛnt həˈɹaɪ.zən/ [General-American], /-zɪn/ [General-American], [əˈvɛɾ̃ həˈɹaɪ.zən] [General-American], [əˈvɛn -] [General-American], [-zɪn] [General-American] Audio: LL-Q1860 (eng)-Persent101-event horizon.wav [US] Forms: event horizons [plural]
Head templates: {{en-noun}} event horizon (plural event horizons)
  1. (astrophysics) The gravitational sphere of a black hole within which the escape velocity is greater than the speed of light. Categories (topical): Astrophysics, Black holes Derived forms: moral event horizon Related terms: absolute horizon, apparent horizon, Cauchy horizon, dynamical horizon, isolated horizon, Killing horizon, particle horizon, general relativity, special relativity Coordinate_terms: singularity, ergosphere, photon sphere, Schwarzschild radius, frame dragging Translations (gravitational sphere within which light cannot escape): waarnemingshorison (Afrikaans), horizont i ngjarjes [masculine] (Albanian), horizont i ngjarjeve [masculine] (Albanian), أُفُق اَلْحَدَث (ʔufuq al-ḥadaṯ) [masculine] (Arabic), իրադարձությունների հորիզոն (iradarjutʿyunneri horizon) (Armenian), horizonte de sucesos [masculine] (Asturian), hadisə üfüqü (Azerbaijani), gertaeren muga (Basque), гарызонт падзей (haryzónt padzjej) [masculine] (Belarusian), ঘটনা দিগন্ত (ghoṭona digonto) (Bengali), хоризонт на събитията (horizont na sǎbitijata) [masculine] (Bulgarian), ဖြစ်ရပ် မိုးကုတ်စက်ဝိုင်း (hpracrap mui:kutcak-wuing:) (Burmese), horitzó d'esdeveniments [masculine] (Catalan), 事界 (si⁶ gaai³) (Chinese Cantonese), 事件視界 (Chinese Mandarin), 事件视界 (shìjiàn shìjiè) (Chinese Mandarin), 事件穹界 (shìjiàn qióngjiè) (Chinese Mandarin), 事界 (shìjiè) (Chinese Mandarin), horizont událostí [masculine] (Czech), begivenhedshorisont [common-gender] (Danish), waarnemingshorizon [masculine] (Dutch), eventa horizonto (Esperanto), sündmuste horisont (Estonian), hendingartrom [feminine] (Faroese), tapahtumahorisontti (Finnish), horizon des événements [masculine] (French), მოვლენათა ჰორიზონტი (movlenata horizonṭi) (Georgian), Ereignishorizont [masculine] (German), ορίζοντας γεγονότων (orízontas gegonóton) [masculine] (Greek), אופק אירועים (Hebrew), घटना क्षितिज (ghaṭnā kṣitij) (Hindi), eseményhorizont (Hungarian), sjónhvörf [neuter, plural] (Icelandic), skynmörk [neuter, plural] (Icelandic), horizon peristiwa (Indonesian), horizonte de eventos (Interlingua), léaslíne theagmhais [feminine] (Irish), orizzonte degli eventi [masculine] (Italian), 事象の地平面 (jishō no chiheimen) (alt: じしょうのちへいめん) (Japanese), оқиға көкжиегі (oqiğa kökjiegı) (Kazakh), 사상(事象)의 지평선 (sasang'ui jipyeongseon) (alt: 地平線) (Korean), horizon eventuum [masculine] (Latin), notikumu horizonts [masculine] (Latvian), įvykių horizontas [masculine] (Lithuanian), хоризонт на настани (horizont na nastani) (Macedonian), സംഭവചക്രവാളം (sambhavacakravāḷaṁ) (Malayalam), orizzont avveniment [masculine] (Maltese), hendelseshorisont [masculine] (Norwegian Bokmål), hendingshorisont [masculine] (Norwegian Nynorsk), hendingsrand (Norwegian Nynorsk), hendelseshorisont (Norwegian Nynorsk), افق رویداد (ofoq-e ruydâd) (Persian), horyzont zdarzeń [masculine] (Polish), horizonte de eventos [masculine] (Portuguese), ਇਵੈਂਟ ਹੌਰਿਜ਼ਨ (ivaiṇṭ haurizan) (Punjabi), orizontul evenimentelor (Romanian), orizont de evenimente (Romanian), горизо́нт собы́тий (gorizónt sobýtij) [masculine] (Russian), сфе́ра Шва́рцшильда (sféra Švárcšilʹda) [feminine] (Russian), хоризонт догађаја [Cyrillic] (Serbo-Croatian), horizont događaja [Roman] (Serbo-Croatian), horizont udalostí (Slovak), horizont dogodkov [masculine] (Slovene), dogódkovno obzórje [neuter] (Slovene), horizonte de sucesos [masculine] (Spanish), horizonte de eventos [masculine] (Spanish), händelsehorisont [common-gender] (Swedish), நிகழ்வெல்லை (nikaḻvellai) (Tamil), ขอบฟ้าเหตุการณ์ (kòp-fáa-hàyt-gaan) (Thai), olay ufku (Turkish), горизонт подій (horyzont podij) (Ukrainian), افق وقیعہ (alt: اfq oqe'h) (Urdu), voqealar gorizonti (Uzbek), chân trời sự kiện (alt: 蹎𡗶事件) (Vietnamese), gorwel digwyddiad [masculine] (Welsh)
    Sense id: en-event_horizon-en-noun-Bb-IRJXD Disambiguation of Black holes: 99 1 Categories (other): English entries with incorrect language header, English entries with topic categories using raw markup, English terms with non-redundant non-automated sortkeys Disambiguation of English entries with incorrect language header: 98 2 Disambiguation of English entries with topic categories using raw markup: 98 2 Disambiguation of English terms with non-redundant non-automated sortkeys: 97 3 Topics: astrophysics Disambiguation of 'gravitational sphere within which light cannot escape': 100 0
  2. (by extension) A point of no return. Tags: broadly
    Sense id: en-event_horizon-en-noun-HYgg6Rg0

Inflected forms

Download JSON data for event horizon meaning in English (16.7kB)

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          "_dis1": "100 0",
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          "_dis1": "100 0",
          "word": "ergosphere"
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        {
          "_dis1": "100 0",
          "word": "photon sphere"
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          "_dis1": "100 0",
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          "_dis1": "100 0",
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        "(astrophysics) The gravitational sphere of a black hole within which the escape velocity is greater than the speed of light."
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          "_dis1": "100 0",
          "word": "absolute horizon"
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          "_dis1": "100 0",
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          "_dis1": "100 0",
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          "_dis1": "100 0",
          "word": "dynamical horizon"
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        {
          "_dis1": "100 0",
          "word": "isolated horizon"
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        {
          "_dis1": "100 0",
          "word": "Killing horizon"
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        {
          "_dis1": "100 0",
          "word": "particle horizon"
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          "_dis1": "100 0",
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          "_dis1": "100 0",
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      "translations": [
        {
          "_dis1": "100 0",
          "code": "af",
          "lang": "Afrikaans",
          "sense": "gravitational sphere within which light cannot escape",
          "word": "waarnemingshorison"
        },
        {
          "_dis1": "100 0",
          "code": "sq",
          "lang": "Albanian",
          "sense": "gravitational sphere within which light cannot escape",
          "tags": [
            "masculine"
          ],
          "word": "horizont i ngjarjes"
        },
        {
          "_dis1": "100 0",
          "code": "sq",
          "lang": "Albanian",
          "sense": "gravitational sphere within which light cannot escape",
          "tags": [
            "masculine"
          ],
          "word": "horizont i ngjarjeve"
        },
        {
          "_dis1": "100 0",
          "code": "ar",
          "lang": "Arabic",
          "roman": "ʔufuq al-ḥadaṯ",
          "sense": "gravitational sphere within which light cannot escape",
          "tags": [
            "masculine"
          ],
          "word": "أُفُق اَلْحَدَث"
        },
        {
          "_dis1": "100 0",
          "code": "hy",
          "lang": "Armenian",
          "roman": "iradarjutʿyunneri horizon",
          "sense": "gravitational sphere within which light cannot escape",
          "word": "իրադարձությունների հորիզոն"
        },
        {
          "_dis1": "100 0",
          "code": "ast",
          "lang": "Asturian",
          "sense": "gravitational sphere within which light cannot escape",
          "tags": [
            "masculine"
          ],
          "word": "horizonte de sucesos"
        },
        {
          "_dis1": "100 0",
          "code": "az",
          "lang": "Azerbaijani",
          "sense": "gravitational sphere within which light cannot escape",
          "word": "hadisə üfüqü"
        },
        {
          "_dis1": "100 0",
          "code": "eu",
          "lang": "Basque",
          "sense": "gravitational sphere within which light cannot escape",
          "word": "gertaeren muga"
        },
        {
          "_dis1": "100 0",
          "code": "be",
          "lang": "Belarusian",
          "roman": "haryzónt padzjej",
          "sense": "gravitational sphere within which light cannot escape",
          "tags": [
            "masculine"
          ],
          "word": "гарызонт падзей"
        },
        {
          "_dis1": "100 0",
          "code": "bn",
          "lang": "Bengali",
          "roman": "ghoṭona digonto",
          "sense": "gravitational sphere within which light cannot escape",
          "word": "ঘটনা দিগন্ত"
        },
        {
          "_dis1": "100 0",
          "code": "bg",
          "lang": "Bulgarian",
          "roman": "horizont na sǎbitijata",
          "sense": "gravitational sphere within which light cannot escape",
          "tags": [
            "masculine"
          ],
          "word": "хоризонт на събитията"
        },
        {
          "_dis1": "100 0",
          "code": "my",
          "lang": "Burmese",
          "roman": "hpracrap mui:kutcak-wuing:",
          "sense": "gravitational sphere within which light cannot escape",
          "word": "ဖြစ်ရပ် မိုးကုတ်စက်ဝိုင်း"
        },
        {
          "_dis1": "100 0",
          "code": "ca",
          "lang": "Catalan",
          "sense": "gravitational sphere within which light cannot escape",
          "tags": [
            "masculine"
          ],
          "word": "horitzó d'esdeveniments"
        },
        {
          "_dis1": "100 0",
          "code": "yue",
          "lang": "Chinese Cantonese",
          "roman": "si⁶ gaai³",
          "sense": "gravitational sphere within which light cannot escape",
          "word": "事界"
        },
        {
          "_dis1": "100 0",
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "sense": "gravitational sphere within which light cannot escape",
          "word": "事件視界"
        },
        {
          "_dis1": "100 0",
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "roman": "shìjiàn shìjiè",
          "sense": "gravitational sphere within which light cannot escape",
          "word": "事件视界"
        },
        {
          "_dis1": "100 0",
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "roman": "shìjiàn qióngjiè",
          "sense": "gravitational sphere within which light cannot escape",
          "word": "事件穹界"
        },
        {
          "_dis1": "100 0",
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "roman": "shìjiè",
          "sense": "gravitational sphere within which light cannot escape",
          "word": "事界"
        },
        {
          "_dis1": "100 0",
          "code": "cs",
          "lang": "Czech",
          "sense": "gravitational sphere within which light cannot escape",
          "tags": [
            "masculine"
          ],
          "word": "horizont událostí"
        },
        {
          "_dis1": "100 0",
          "code": "da",
          "lang": "Danish",
          "sense": "gravitational sphere within which light cannot escape",
          "tags": [
            "common-gender"
          ],
          "word": "begivenhedshorisont"
        },
        {
          "_dis1": "100 0",
          "code": "nl",
          "lang": "Dutch",
          "sense": "gravitational sphere within which light cannot escape",
          "tags": [
            "masculine"
          ],
          "word": "waarnemingshorizon"
        },
        {
          "_dis1": "100 0",
          "code": "eo",
          "lang": "Esperanto",
          "sense": "gravitational sphere within which light cannot escape",
          "word": "eventa horizonto"
        },
        {
          "_dis1": "100 0",
          "code": "et",
          "lang": "Estonian",
          "sense": "gravitational sphere within which light cannot escape",
          "word": "sündmuste horisont"
        },
        {
          "_dis1": "100 0",
          "code": "fo",
          "lang": "Faroese",
          "sense": "gravitational sphere within which light cannot escape",
          "tags": [
            "feminine"
          ],
          "word": "hendingartrom"
        },
        {
          "_dis1": "100 0",
          "code": "fi",
          "lang": "Finnish",
          "sense": "gravitational sphere within which light cannot escape",
          "word": "tapahtumahorisontti"
        },
        {
          "_dis1": "100 0",
          "code": "fr",
          "lang": "French",
          "sense": "gravitational sphere within which light cannot escape",
          "tags": [
            "masculine"
          ],
          "word": "horizon des événements"
        },
        {
          "_dis1": "100 0",
          "code": "ka",
          "lang": "Georgian",
          "roman": "movlenata horizonṭi",
          "sense": "gravitational sphere within which light cannot escape",
          "word": "მოვლენათა ჰორიზონტი"
        },
        {
          "_dis1": "100 0",
          "code": "de",
          "lang": "German",
          "sense": "gravitational sphere within which light cannot escape",
          "tags": [
            "masculine"
          ],
          "word": "Ereignishorizont"
        },
        {
          "_dis1": "100 0",
          "code": "el",
          "lang": "Greek",
          "roman": "orízontas gegonóton",
          "sense": "gravitational sphere within which light cannot escape",
          "tags": [
            "masculine"
          ],
          "word": "ορίζοντας γεγονότων"
        },
        {
          "_dis1": "100 0",
          "code": "he",
          "lang": "Hebrew",
          "sense": "gravitational sphere within which light cannot escape",
          "word": "אופק אירועים"
        },
        {
          "_dis1": "100 0",
          "code": "hi",
          "lang": "Hindi",
          "roman": "ghaṭnā kṣitij",
          "sense": "gravitational sphere within which light cannot escape",
          "word": "घटना क्षितिज"
        },
        {
          "_dis1": "100 0",
          "code": "hu",
          "lang": "Hungarian",
          "sense": "gravitational sphere within which light cannot escape",
          "word": "eseményhorizont"
        },
        {
          "_dis1": "100 0",
          "code": "is",
          "lang": "Icelandic",
          "sense": "gravitational sphere within which light cannot escape",
          "tags": [
            "neuter",
            "plural"
          ],
          "word": "sjónhvörf"
        },
        {
          "_dis1": "100 0",
          "code": "is",
          "lang": "Icelandic",
          "sense": "gravitational sphere within which light cannot escape",
          "tags": [
            "neuter",
            "plural"
          ],
          "word": "skynmörk"
        },
        {
          "_dis1": "100 0",
          "code": "id",
          "lang": "Indonesian",
          "sense": "gravitational sphere within which light cannot escape",
          "word": "horizon peristiwa"
        },
        {
          "_dis1": "100 0",
          "code": "ia",
          "lang": "Interlingua",
          "sense": "gravitational sphere within which light cannot escape",
          "word": "horizonte de eventos"
        },
        {
          "_dis1": "100 0",
          "code": "ga",
          "lang": "Irish",
          "sense": "gravitational sphere within which light cannot escape",
          "tags": [
            "feminine"
          ],
          "word": "léaslíne theagmhais"
        },
        {
          "_dis1": "100 0",
          "code": "it",
          "lang": "Italian",
          "sense": "gravitational sphere within which light cannot escape",
          "tags": [
            "masculine"
          ],
          "word": "orizzonte degli eventi"
        },
        {
          "_dis1": "100 0",
          "alt": "じしょうのちへいめん",
          "code": "ja",
          "lang": "Japanese",
          "roman": "jishō no chiheimen",
          "sense": "gravitational sphere within which light cannot escape",
          "word": "事象の地平面"
        },
        {
          "_dis1": "100 0",
          "code": "kk",
          "lang": "Kazakh",
          "roman": "oqiğa kökjiegı",
          "sense": "gravitational sphere within which light cannot escape",
          "word": "оқиға көкжиегі"
        },
        {
          "_dis1": "100 0",
          "alt": "地平線",
          "code": "ko",
          "lang": "Korean",
          "roman": "sasang'ui jipyeongseon",
          "sense": "gravitational sphere within which light cannot escape",
          "word": "사상(事象)의 지평선"
        },
        {
          "_dis1": "100 0",
          "code": "la",
          "lang": "Latin",
          "sense": "gravitational sphere within which light cannot escape",
          "tags": [
            "masculine"
          ],
          "word": "horizon eventuum"
        },
        {
          "_dis1": "100 0",
          "code": "lv",
          "lang": "Latvian",
          "sense": "gravitational sphere within which light cannot escape",
          "tags": [
            "masculine"
          ],
          "word": "notikumu horizonts"
        },
        {
          "_dis1": "100 0",
          "code": "lt",
          "lang": "Lithuanian",
          "sense": "gravitational sphere within which light cannot escape",
          "tags": [
            "masculine"
          ],
          "word": "įvykių horizontas"
        },
        {
          "_dis1": "100 0",
          "code": "mk",
          "lang": "Macedonian",
          "roman": "horizont na nastani",
          "sense": "gravitational sphere within which light cannot escape",
          "word": "хоризонт на настани"
        },
        {
          "_dis1": "100 0",
          "code": "ml",
          "lang": "Malayalam",
          "roman": "sambhavacakravāḷaṁ",
          "sense": "gravitational sphere within which light cannot escape",
          "word": "സംഭവചക്രവാളം"
        },
        {
          "_dis1": "100 0",
          "code": "mt",
          "lang": "Maltese",
          "sense": "gravitational sphere within which light cannot escape",
          "tags": [
            "masculine"
          ],
          "word": "orizzont avveniment"
        },
        {
          "_dis1": "100 0",
          "code": "nb",
          "lang": "Norwegian Bokmål",
          "sense": "gravitational sphere within which light cannot escape",
          "tags": [
            "masculine"
          ],
          "word": "hendelseshorisont"
        },
        {
          "_dis1": "100 0",
          "code": "nn",
          "lang": "Norwegian Nynorsk",
          "sense": "gravitational sphere within which light cannot escape",
          "tags": [
            "masculine"
          ],
          "word": "hendingshorisont"
        },
        {
          "_dis1": "100 0",
          "code": "nn",
          "lang": "Norwegian Nynorsk",
          "sense": "gravitational sphere within which light cannot escape",
          "word": "hendingsrand"
        },
        {
          "_dis1": "100 0",
          "code": "nn",
          "lang": "Norwegian Nynorsk",
          "sense": "gravitational sphere within which light cannot escape",
          "word": "hendelseshorisont"
        },
        {
          "_dis1": "100 0",
          "code": "fa",
          "lang": "Persian",
          "roman": "ofoq-e ruydâd",
          "sense": "gravitational sphere within which light cannot escape",
          "word": "افق رویداد"
        },
        {
          "_dis1": "100 0",
          "code": "pl",
          "lang": "Polish",
          "sense": "gravitational sphere within which light cannot escape",
          "tags": [
            "masculine"
          ],
          "word": "horyzont zdarzeń"
        },
        {
          "_dis1": "100 0",
          "code": "pt",
          "lang": "Portuguese",
          "sense": "gravitational sphere within which light cannot escape",
          "tags": [
            "masculine"
          ],
          "word": "horizonte de eventos"
        },
        {
          "_dis1": "100 0",
          "code": "pa",
          "lang": "Punjabi",
          "roman": "ivaiṇṭ haurizan",
          "sense": "gravitational sphere within which light cannot escape",
          "word": "ਇਵੈਂਟ ਹੌਰਿਜ਼ਨ"
        },
        {
          "_dis1": "100 0",
          "code": "ro",
          "lang": "Romanian",
          "sense": "gravitational sphere within which light cannot escape",
          "word": "orizontul evenimentelor"
        },
        {
          "_dis1": "100 0",
          "code": "ro",
          "lang": "Romanian",
          "sense": "gravitational sphere within which light cannot escape",
          "word": "orizont de evenimente"
        },
        {
          "_dis1": "100 0",
          "code": "ru",
          "lang": "Russian",
          "roman": "gorizónt sobýtij",
          "sense": "gravitational sphere within which light cannot escape",
          "tags": [
            "masculine"
          ],
          "word": "горизо́нт собы́тий"
        },
        {
          "_dis1": "100 0",
          "code": "ru",
          "lang": "Russian",
          "roman": "sféra Švárcšilʹda",
          "sense": "gravitational sphere within which light cannot escape",
          "tags": [
            "feminine"
          ],
          "word": "сфе́ра Шва́рцшильда"
        },
        {
          "_dis1": "100 0",
          "code": "sh",
          "lang": "Serbo-Croatian",
          "sense": "gravitational sphere within which light cannot escape",
          "tags": [
            "Cyrillic"
          ],
          "word": "хоризонт догађаја"
        },
        {
          "_dis1": "100 0",
          "code": "sh",
          "lang": "Serbo-Croatian",
          "sense": "gravitational sphere within which light cannot escape",
          "tags": [
            "Roman"
          ],
          "word": "horizont događaja"
        },
        {
          "_dis1": "100 0",
          "code": "sk",
          "lang": "Slovak",
          "sense": "gravitational sphere within which light cannot escape",
          "word": "horizont udalostí"
        },
        {
          "_dis1": "100 0",
          "code": "sl",
          "lang": "Slovene",
          "sense": "gravitational sphere within which light cannot escape",
          "tags": [
            "masculine"
          ],
          "word": "horizont dogodkov"
        },
        {
          "_dis1": "100 0",
          "code": "sl",
          "lang": "Slovene",
          "sense": "gravitational sphere within which light cannot escape",
          "tags": [
            "neuter"
          ],
          "word": "dogódkovno obzórje"
        },
        {
          "_dis1": "100 0",
          "code": "es",
          "lang": "Spanish",
          "sense": "gravitational sphere within which light cannot escape",
          "tags": [
            "masculine"
          ],
          "word": "horizonte de sucesos"
        },
        {
          "_dis1": "100 0",
          "code": "es",
          "lang": "Spanish",
          "sense": "gravitational sphere within which light cannot escape",
          "tags": [
            "masculine"
          ],
          "word": "horizonte de eventos"
        },
        {
          "_dis1": "100 0",
          "code": "sv",
          "lang": "Swedish",
          "sense": "gravitational sphere within which light cannot escape",
          "tags": [
            "common-gender"
          ],
          "word": "händelsehorisont"
        },
        {
          "_dis1": "100 0",
          "code": "ta",
          "lang": "Tamil",
          "roman": "nikaḻvellai",
          "sense": "gravitational sphere within which light cannot escape",
          "word": "நிகழ்வெல்லை"
        },
        {
          "_dis1": "100 0",
          "code": "th",
          "lang": "Thai",
          "roman": "kòp-fáa-hàyt-gaan",
          "sense": "gravitational sphere within which light cannot escape",
          "word": "ขอบฟ้าเหตุการณ์"
        },
        {
          "_dis1": "100 0",
          "code": "tr",
          "lang": "Turkish",
          "sense": "gravitational sphere within which light cannot escape",
          "word": "olay ufku"
        },
        {
          "_dis1": "100 0",
          "code": "uk",
          "lang": "Ukrainian",
          "roman": "horyzont podij",
          "sense": "gravitational sphere within which light cannot escape",
          "word": "горизонт подій"
        },
        {
          "_dis1": "100 0",
          "alt": "اfq oqe'h",
          "code": "ur",
          "lang": "Urdu",
          "sense": "gravitational sphere within which light cannot escape",
          "word": "افق وقیعہ"
        },
        {
          "_dis1": "100 0",
          "code": "uz",
          "lang": "Uzbek",
          "sense": "gravitational sphere within which light cannot escape",
          "word": "voqealar gorizonti"
        },
        {
          "_dis1": "100 0",
          "alt": "蹎𡗶事件",
          "code": "vi",
          "lang": "Vietnamese",
          "sense": "gravitational sphere within which light cannot escape",
          "word": "chân trời sự kiện"
        },
        {
          "_dis1": "100 0",
          "code": "cy",
          "lang": "Welsh",
          "sense": "gravitational sphere within which light cannot escape",
          "tags": [
            "masculine"
          ],
          "word": "gorwel digwyddiad"
        }
      ]
    },
    {
      "glosses": [
        "A point of no return."
      ],
      "id": "en-event_horizon-en-noun-HYgg6Rg0",
      "links": [
        [
          "point of no return",
          "point of no return"
        ]
      ],
      "raw_glosses": [
        "(by extension) A point of no return."
      ],
      "tags": [
        "broadly"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/əˈvɛnt həˈɹaɪ.zən/",
      "tags": [
        "General-American"
      ]
    },
    {
      "ipa": "/-zɪn/",
      "tags": [
        "General-American"
      ]
    },
    {
      "ipa": "[əˈvɛɾ̃ həˈɹaɪ.zən]",
      "tags": [
        "General-American"
      ]
    },
    {
      "ipa": "[əˈvɛn -]",
      "tags": [
        "General-American"
      ]
    },
    {
      "ipa": "[-zɪn]",
      "tags": [
        "General-American"
      ]
    },
    {
      "audio": "LL-Q1860 (eng)-Persent101-event horizon.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/f/f7/LL-Q1860_%28eng%29-Persent101-event_horizon.wav/LL-Q1860_%28eng%29-Persent101-event_horizon.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/f/f7/LL-Q1860_%28eng%29-Persent101-event_horizon.wav/LL-Q1860_%28eng%29-Persent101-event_horizon.wav.ogg",
      "tags": [
        "US"
      ],
      "text": "Audio (US)"
    }
  ],
  "wikipedia": [
    "event horizon"
  ],
  "word": "event horizon"
}
{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English entries with topic categories using raw markup",
    "English lemmas",
    "English multiword terms",
    "English nouns",
    "English terms with IPA pronunciation",
    "English terms with audio links",
    "English terms with non-redundant non-automated sortkeys",
    "en:Black holes"
  ],
  "coordinate_terms": [
    {
      "word": "singularity"
    },
    {
      "word": "ergosphere"
    },
    {
      "word": "photon sphere"
    },
    {
      "word": "Schwarzschild radius"
    },
    {
      "word": "frame dragging"
    }
  ],
  "derived": [
    {
      "word": "moral event horizon"
    }
  ],
  "forms": [
    {
      "form": "event horizons",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "event horizon (plural event horizons)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "absolute horizon"
    },
    {
      "word": "apparent horizon"
    },
    {
      "word": "Cauchy horizon"
    },
    {
      "word": "dynamical horizon"
    },
    {
      "word": "isolated horizon"
    },
    {
      "word": "Killing horizon"
    },
    {
      "word": "particle horizon"
    },
    {
      "word": "general relativity"
    },
    {
      "word": "special relativity"
    }
  ],
  "senses": [
    {
      "categories": [
        "en:Astrophysics"
      ],
      "glosses": [
        "The gravitational sphere of a black hole within which the escape velocity is greater than the speed of light."
      ],
      "links": [
        [
          "astrophysics",
          "astrophysics"
        ],
        [
          "gravitational",
          "gravitational"
        ],
        [
          "sphere",
          "sphere"
        ],
        [
          "black hole",
          "black hole"
        ],
        [
          "escape velocity",
          "escape velocity"
        ],
        [
          "speed of light",
          "speed of light"
        ]
      ],
      "raw_glosses": [
        "(astrophysics) The gravitational sphere of a black hole within which the escape velocity is greater than the speed of light."
      ],
      "topics": [
        "astrophysics"
      ]
    },
    {
      "glosses": [
        "A point of no return."
      ],
      "links": [
        [
          "point of no return",
          "point of no return"
        ]
      ],
      "raw_glosses": [
        "(by extension) A point of no return."
      ],
      "tags": [
        "broadly"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/əˈvɛnt həˈɹaɪ.zən/",
      "tags": [
        "General-American"
      ]
    },
    {
      "ipa": "/-zɪn/",
      "tags": [
        "General-American"
      ]
    },
    {
      "ipa": "[əˈvɛɾ̃ həˈɹaɪ.zən]",
      "tags": [
        "General-American"
      ]
    },
    {
      "ipa": "[əˈvɛn -]",
      "tags": [
        "General-American"
      ]
    },
    {
      "ipa": "[-zɪn]",
      "tags": [
        "General-American"
      ]
    },
    {
      "audio": "LL-Q1860 (eng)-Persent101-event horizon.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/f/f7/LL-Q1860_%28eng%29-Persent101-event_horizon.wav/LL-Q1860_%28eng%29-Persent101-event_horizon.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/f/f7/LL-Q1860_%28eng%29-Persent101-event_horizon.wav/LL-Q1860_%28eng%29-Persent101-event_horizon.wav.ogg",
      "tags": [
        "US"
      ],
      "text": "Audio (US)"
    }
  ],
  "translations": [
    {
      "code": "af",
      "lang": "Afrikaans",
      "sense": "gravitational sphere within which light cannot escape",
      "word": "waarnemingshorison"
    },
    {
      "code": "sq",
      "lang": "Albanian",
      "sense": "gravitational sphere within which light cannot escape",
      "tags": [
        "masculine"
      ],
      "word": "horizont i ngjarjes"
    },
    {
      "code": "sq",
      "lang": "Albanian",
      "sense": "gravitational sphere within which light cannot escape",
      "tags": [
        "masculine"
      ],
      "word": "horizont i ngjarjeve"
    },
    {
      "code": "ar",
      "lang": "Arabic",
      "roman": "ʔufuq al-ḥadaṯ",
      "sense": "gravitational sphere within which light cannot escape",
      "tags": [
        "masculine"
      ],
      "word": "أُفُق اَلْحَدَث"
    },
    {
      "code": "hy",
      "lang": "Armenian",
      "roman": "iradarjutʿyunneri horizon",
      "sense": "gravitational sphere within which light cannot escape",
      "word": "իրադարձությունների հորիզոն"
    },
    {
      "code": "ast",
      "lang": "Asturian",
      "sense": "gravitational sphere within which light cannot escape",
      "tags": [
        "masculine"
      ],
      "word": "horizonte de sucesos"
    },
    {
      "code": "az",
      "lang": "Azerbaijani",
      "sense": "gravitational sphere within which light cannot escape",
      "word": "hadisə üfüqü"
    },
    {
      "code": "eu",
      "lang": "Basque",
      "sense": "gravitational sphere within which light cannot escape",
      "word": "gertaeren muga"
    },
    {
      "code": "be",
      "lang": "Belarusian",
      "roman": "haryzónt padzjej",
      "sense": "gravitational sphere within which light cannot escape",
      "tags": [
        "masculine"
      ],
      "word": "гарызонт падзей"
    },
    {
      "code": "bn",
      "lang": "Bengali",
      "roman": "ghoṭona digonto",
      "sense": "gravitational sphere within which light cannot escape",
      "word": "ঘটনা দিগন্ত"
    },
    {
      "code": "bg",
      "lang": "Bulgarian",
      "roman": "horizont na sǎbitijata",
      "sense": "gravitational sphere within which light cannot escape",
      "tags": [
        "masculine"
      ],
      "word": "хоризонт на събитията"
    },
    {
      "code": "my",
      "lang": "Burmese",
      "roman": "hpracrap mui:kutcak-wuing:",
      "sense": "gravitational sphere within which light cannot escape",
      "word": "ဖြစ်ရပ် မိုးကုတ်စက်ဝိုင်း"
    },
    {
      "code": "ca",
      "lang": "Catalan",
      "sense": "gravitational sphere within which light cannot escape",
      "tags": [
        "masculine"
      ],
      "word": "horitzó d'esdeveniments"
    },
    {
      "code": "yue",
      "lang": "Chinese Cantonese",
      "roman": "si⁶ gaai³",
      "sense": "gravitational sphere within which light cannot escape",
      "word": "事界"
    },
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "sense": "gravitational sphere within which light cannot escape",
      "word": "事件視界"
    },
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "roman": "shìjiàn shìjiè",
      "sense": "gravitational sphere within which light cannot escape",
      "word": "事件视界"
    },
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "roman": "shìjiàn qióngjiè",
      "sense": "gravitational sphere within which light cannot escape",
      "word": "事件穹界"
    },
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "roman": "shìjiè",
      "sense": "gravitational sphere within which light cannot escape",
      "word": "事界"
    },
    {
      "code": "cs",
      "lang": "Czech",
      "sense": "gravitational sphere within which light cannot escape",
      "tags": [
        "masculine"
      ],
      "word": "horizont událostí"
    },
    {
      "code": "da",
      "lang": "Danish",
      "sense": "gravitational sphere within which light cannot escape",
      "tags": [
        "common-gender"
      ],
      "word": "begivenhedshorisont"
    },
    {
      "code": "nl",
      "lang": "Dutch",
      "sense": "gravitational sphere within which light cannot escape",
      "tags": [
        "masculine"
      ],
      "word": "waarnemingshorizon"
    },
    {
      "code": "eo",
      "lang": "Esperanto",
      "sense": "gravitational sphere within which light cannot escape",
      "word": "eventa horizonto"
    },
    {
      "code": "et",
      "lang": "Estonian",
      "sense": "gravitational sphere within which light cannot escape",
      "word": "sündmuste horisont"
    },
    {
      "code": "fo",
      "lang": "Faroese",
      "sense": "gravitational sphere within which light cannot escape",
      "tags": [
        "feminine"
      ],
      "word": "hendingartrom"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "gravitational sphere within which light cannot escape",
      "word": "tapahtumahorisontti"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "gravitational sphere within which light cannot escape",
      "tags": [
        "masculine"
      ],
      "word": "horizon des événements"
    },
    {
      "code": "ka",
      "lang": "Georgian",
      "roman": "movlenata horizonṭi",
      "sense": "gravitational sphere within which light cannot escape",
      "word": "მოვლენათა ჰორიზონტი"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "gravitational sphere within which light cannot escape",
      "tags": [
        "masculine"
      ],
      "word": "Ereignishorizont"
    },
    {
      "code": "el",
      "lang": "Greek",
      "roman": "orízontas gegonóton",
      "sense": "gravitational sphere within which light cannot escape",
      "tags": [
        "masculine"
      ],
      "word": "ορίζοντας γεγονότων"
    },
    {
      "code": "he",
      "lang": "Hebrew",
      "sense": "gravitational sphere within which light cannot escape",
      "word": "אופק אירועים"
    },
    {
      "code": "hi",
      "lang": "Hindi",
      "roman": "ghaṭnā kṣitij",
      "sense": "gravitational sphere within which light cannot escape",
      "word": "घटना क्षितिज"
    },
    {
      "code": "hu",
      "lang": "Hungarian",
      "sense": "gravitational sphere within which light cannot escape",
      "word": "eseményhorizont"
    },
    {
      "code": "is",
      "lang": "Icelandic",
      "sense": "gravitational sphere within which light cannot escape",
      "tags": [
        "neuter",
        "plural"
      ],
      "word": "sjónhvörf"
    },
    {
      "code": "is",
      "lang": "Icelandic",
      "sense": "gravitational sphere within which light cannot escape",
      "tags": [
        "neuter",
        "plural"
      ],
      "word": "skynmörk"
    },
    {
      "code": "id",
      "lang": "Indonesian",
      "sense": "gravitational sphere within which light cannot escape",
      "word": "horizon peristiwa"
    },
    {
      "code": "ia",
      "lang": "Interlingua",
      "sense": "gravitational sphere within which light cannot escape",
      "word": "horizonte de eventos"
    },
    {
      "code": "ga",
      "lang": "Irish",
      "sense": "gravitational sphere within which light cannot escape",
      "tags": [
        "feminine"
      ],
      "word": "léaslíne theagmhais"
    },
    {
      "code": "it",
      "lang": "Italian",
      "sense": "gravitational sphere within which light cannot escape",
      "tags": [
        "masculine"
      ],
      "word": "orizzonte degli eventi"
    },
    {
      "alt": "じしょうのちへいめん",
      "code": "ja",
      "lang": "Japanese",
      "roman": "jishō no chiheimen",
      "sense": "gravitational sphere within which light cannot escape",
      "word": "事象の地平面"
    },
    {
      "code": "kk",
      "lang": "Kazakh",
      "roman": "oqiğa kökjiegı",
      "sense": "gravitational sphere within which light cannot escape",
      "word": "оқиға көкжиегі"
    },
    {
      "alt": "地平線",
      "code": "ko",
      "lang": "Korean",
      "roman": "sasang'ui jipyeongseon",
      "sense": "gravitational sphere within which light cannot escape",
      "word": "사상(事象)의 지평선"
    },
    {
      "code": "la",
      "lang": "Latin",
      "sense": "gravitational sphere within which light cannot escape",
      "tags": [
        "masculine"
      ],
      "word": "horizon eventuum"
    },
    {
      "code": "lv",
      "lang": "Latvian",
      "sense": "gravitational sphere within which light cannot escape",
      "tags": [
        "masculine"
      ],
      "word": "notikumu horizonts"
    },
    {
      "code": "lt",
      "lang": "Lithuanian",
      "sense": "gravitational sphere within which light cannot escape",
      "tags": [
        "masculine"
      ],
      "word": "įvykių horizontas"
    },
    {
      "code": "mk",
      "lang": "Macedonian",
      "roman": "horizont na nastani",
      "sense": "gravitational sphere within which light cannot escape",
      "word": "хоризонт на настани"
    },
    {
      "code": "ml",
      "lang": "Malayalam",
      "roman": "sambhavacakravāḷaṁ",
      "sense": "gravitational sphere within which light cannot escape",
      "word": "സംഭവചക്രവാളം"
    },
    {
      "code": "mt",
      "lang": "Maltese",
      "sense": "gravitational sphere within which light cannot escape",
      "tags": [
        "masculine"
      ],
      "word": "orizzont avveniment"
    },
    {
      "code": "nb",
      "lang": "Norwegian Bokmål",
      "sense": "gravitational sphere within which light cannot escape",
      "tags": [
        "masculine"
      ],
      "word": "hendelseshorisont"
    },
    {
      "code": "nn",
      "lang": "Norwegian Nynorsk",
      "sense": "gravitational sphere within which light cannot escape",
      "tags": [
        "masculine"
      ],
      "word": "hendingshorisont"
    },
    {
      "code": "nn",
      "lang": "Norwegian Nynorsk",
      "sense": "gravitational sphere within which light cannot escape",
      "word": "hendingsrand"
    },
    {
      "code": "nn",
      "lang": "Norwegian Nynorsk",
      "sense": "gravitational sphere within which light cannot escape",
      "word": "hendelseshorisont"
    },
    {
      "code": "fa",
      "lang": "Persian",
      "roman": "ofoq-e ruydâd",
      "sense": "gravitational sphere within which light cannot escape",
      "word": "افق رویداد"
    },
    {
      "code": "pl",
      "lang": "Polish",
      "sense": "gravitational sphere within which light cannot escape",
      "tags": [
        "masculine"
      ],
      "word": "horyzont zdarzeń"
    },
    {
      "code": "pt",
      "lang": "Portuguese",
      "sense": "gravitational sphere within which light cannot escape",
      "tags": [
        "masculine"
      ],
      "word": "horizonte de eventos"
    },
    {
      "code": "pa",
      "lang": "Punjabi",
      "roman": "ivaiṇṭ haurizan",
      "sense": "gravitational sphere within which light cannot escape",
      "word": "ਇਵੈਂਟ ਹੌਰਿਜ਼ਨ"
    },
    {
      "code": "ro",
      "lang": "Romanian",
      "sense": "gravitational sphere within which light cannot escape",
      "word": "orizontul evenimentelor"
    },
    {
      "code": "ro",
      "lang": "Romanian",
      "sense": "gravitational sphere within which light cannot escape",
      "word": "orizont de evenimente"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "gorizónt sobýtij",
      "sense": "gravitational sphere within which light cannot escape",
      "tags": [
        "masculine"
      ],
      "word": "горизо́нт собы́тий"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "sféra Švárcšilʹda",
      "sense": "gravitational sphere within which light cannot escape",
      "tags": [
        "feminine"
      ],
      "word": "сфе́ра Шва́рцшильда"
    },
    {
      "code": "sh",
      "lang": "Serbo-Croatian",
      "sense": "gravitational sphere within which light cannot escape",
      "tags": [
        "Cyrillic"
      ],
      "word": "хоризонт догађаја"
    },
    {
      "code": "sh",
      "lang": "Serbo-Croatian",
      "sense": "gravitational sphere within which light cannot escape",
      "tags": [
        "Roman"
      ],
      "word": "horizont događaja"
    },
    {
      "code": "sk",
      "lang": "Slovak",
      "sense": "gravitational sphere within which light cannot escape",
      "word": "horizont udalostí"
    },
    {
      "code": "sl",
      "lang": "Slovene",
      "sense": "gravitational sphere within which light cannot escape",
      "tags": [
        "masculine"
      ],
      "word": "horizont dogodkov"
    },
    {
      "code": "sl",
      "lang": "Slovene",
      "sense": "gravitational sphere within which light cannot escape",
      "tags": [
        "neuter"
      ],
      "word": "dogódkovno obzórje"
    },
    {
      "code": "es",
      "lang": "Spanish",
      "sense": "gravitational sphere within which light cannot escape",
      "tags": [
        "masculine"
      ],
      "word": "horizonte de sucesos"
    },
    {
      "code": "es",
      "lang": "Spanish",
      "sense": "gravitational sphere within which light cannot escape",
      "tags": [
        "masculine"
      ],
      "word": "horizonte de eventos"
    },
    {
      "code": "sv",
      "lang": "Swedish",
      "sense": "gravitational sphere within which light cannot escape",
      "tags": [
        "common-gender"
      ],
      "word": "händelsehorisont"
    },
    {
      "code": "ta",
      "lang": "Tamil",
      "roman": "nikaḻvellai",
      "sense": "gravitational sphere within which light cannot escape",
      "word": "நிகழ்வெல்லை"
    },
    {
      "code": "th",
      "lang": "Thai",
      "roman": "kòp-fáa-hàyt-gaan",
      "sense": "gravitational sphere within which light cannot escape",
      "word": "ขอบฟ้าเหตุการณ์"
    },
    {
      "code": "tr",
      "lang": "Turkish",
      "sense": "gravitational sphere within which light cannot escape",
      "word": "olay ufku"
    },
    {
      "code": "uk",
      "lang": "Ukrainian",
      "roman": "horyzont podij",
      "sense": "gravitational sphere within which light cannot escape",
      "word": "горизонт подій"
    },
    {
      "alt": "اfq oqe'h",
      "code": "ur",
      "lang": "Urdu",
      "sense": "gravitational sphere within which light cannot escape",
      "word": "افق وقیعہ"
    },
    {
      "code": "uz",
      "lang": "Uzbek",
      "sense": "gravitational sphere within which light cannot escape",
      "word": "voqealar gorizonti"
    },
    {
      "alt": "蹎𡗶事件",
      "code": "vi",
      "lang": "Vietnamese",
      "sense": "gravitational sphere within which light cannot escape",
      "word": "chân trời sự kiện"
    },
    {
      "code": "cy",
      "lang": "Welsh",
      "sense": "gravitational sphere within which light cannot escape",
      "tags": [
        "masculine"
      ],
      "word": "gorwel digwyddiad"
    }
  ],
  "wikipedia": [
    "event horizon"
  ],
  "word": "event horizon"
}

This page is a part of the kaikki.org machine-readable English dictionary. This dictionary is based on structured data extracted on 2024-04-26 from the enwiktionary dump dated 2024-04-21 using wiktextract (93a6c53 and 21a9316). The data shown on this site has been post-processed and various details (e.g., extra categories) removed, some information disambiguated, and additional data merged from other sources. See the raw data download page for the unprocessed wiktextract data.

If you use this data in academic research, please cite Tatu Ylonen: Wiktextract: Wiktionary as Machine-Readable Structured Data, Proceedings of the 13th Conference on Language Resources and Evaluation (LREC), pp. 1317-1325, Marseille, 20-25 June 2022. Linking to the relevant page(s) under https://kaikki.org would also be greatly appreciated.