Standard Lemma guide

spacetime

noun · 3 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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  • General-American: /ˈspeɪsˌtaɪm/
  • US: Recorded audio is listed in the source snapshot.

1

noun

Meaning 1

The four-dimensional continuum of the three spatial dimensions plus time.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

Topics: natural-sciences, physical-sciences, physics

Examples

  • An event is a point in spacetime, specified by the coordinates x, y, z, and t.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

An n-dimensional continuum consisting of dimensions of both space and time. Normally spacetime is considered as having 4 dimensions (x, y, z, t), but higher-dimensional spacetimes are often encountered in theoretical physics, e.g. the 5-dimensional spacetime of Kaluza-Klein theory or the 11 dimensions of spacetime in M-theory.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: natural-sciences, physical-sciences, physics

Examples

  • a Minkowski spacetime
  • a 5-dimensional spacetime

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

A specific region of the universe with mathematically different properties than the surrounding spacetime. Synonymous with "metric" within the context of general relativity.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Qualifier: relativity

Examples

  • a Schwarzschild spacetime
  • a Reissner-Nordström spacetime

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From space + time, as a calque of German Raumzeit, introduced in this sense by Hermann Minkowski. First appears in print c. 1893 in the Philosophical Review.

Across languages

Translations

100 source translations are retained for this English entry.

  • Afrikaans: ruimtetyd — four dimensional continuum
  • Albanian: hapësirë-koha — four dimensional continuum
  • Albanian: hapësirë-kohë — four dimensional continuum
  • Arabic: زَمَكَان (zamakān) — four dimensional continuum
  • Arabic: سپيس-تايم (spēs-taym) — four dimensional continuum
  • Armenian: տարածաժամանակային կոնտինուում (taracažamanakayin kontinuum) — four dimensional continuum
  • Armenian: տարածաժամանակ (taracažamanak) — four dimensional continuum
  • Asturian: espaciu-tiempu — four dimensional continuum
  • Azerbaijani: məkan-zaman — four dimensional continuum
  • Basque: espazio-denbora — four dimensional continuum
  • Belarusian: прасто́ра-час (prastóra-čas) — four dimensional continuum
  • Bengali: স্থান-কাল (sthan-kal) — four dimensional continuum
  • Bulgarian: простра́нство-вре́ме (prostránstvo-vréme) — four dimensional continuum
  • Burmese: အာကာသအချိန် (akasa.a.hkyin) — four dimensional continuum
  • Catalan: espai-temps — four dimensional continuum
  • Catalan: espaitemps — four dimensional continuum
  • Chinese Cantonese: 時空 /时空 — four dimensional continuum
  • Chinese Mandarin: 時空 /时空 (shíkōng) — four dimensional continuum
  • Chuvash: уҫлӑх-вӑхӑт (uślăh-văh̬ăt) — four dimensional continuum
  • Czech: časoprostor — four dimensional continuum
  • Danish: rumtid — four dimensional continuum
  • Dutch: ruimtetijd — four dimensional continuum
  • Dutch: ruimte-tijd — four dimensional continuum
  • Dutch: tijd-ruimte — four dimensional continuum
  • Dutch: tijdruimte — four dimensional continuum
  • Esperanto: spactempo — four dimensional continuum
  • Estonian: aegruum — four dimensional continuum
  • Finnish: aika-avaruus — four dimensional continuum
  • French: espace-temps — four dimensional continuum
  • West-Frisian: romtetiid — four dimensional continuum
  • Galician: espazo-tempo — four dimensional continuum
  • Georgian: სივრცე-დრო (sivrce-dro) — four dimensional continuum
  • German: Raumzeit — four dimensional continuum
  • Greek: χωροχρόνος (chorochrónos) — four dimensional continuum
  • Hebrew: מֶרְחָב־זְמַן (merkháv-zmán) — four dimensional continuum
  • Hindi: दिक्काल (dikkāl) — four dimensional continuum
  • Hindi: दिक्-काल (dik-kāl) — four dimensional continuum
  • Hungarian: téridő — four dimensional continuum
  • Icelandic: tímarúm — four dimensional continuum
  • Ido: spacotempo — four dimensional continuum
  • Indonesian: ruang waktu — four dimensional continuum
  • Interlingua: spatiotempore — four dimensional continuum
  • Irish: spás-am — four dimensional continuum
  • Italian: spaziotempo — four dimensional continuum
  • Italian: spaziotemporalità — four dimensional continuum
  • Japanese: 時空 (jikū) — four dimensional continuum
  • Kazakh: уақыт-кеңістік (uaqyt-keñıstık) — four dimensional continuum
  • Kazakh: кеңістік-уақыт (keñıstık-uaqyt) — four dimensional continuum
  • Korean: 시공간 (sigonggan) — four dimensional continuum
  • Korean: 시공 (sigong) — four dimensional continuum
  • Central Kurdish: کاتجێ (katcê) — four dimensional continuum
  • Kyrgyz: мейкиндик-убакыт (meykindik-ubakıt) — four dimensional continuum
  • Lao: ເວລາອາວະກາດ (wē lā ʼā wa kāt) — four dimensional continuum
  • Latin: spatitempus — four dimensional continuum
  • Latvian: laiktelpa — four dimensional continuum
  • Lithuanian: erdvėlaikis — four dimensional continuum
  • Macedonian: време-простор (vreme-prostor) — four dimensional continuum
  • Malay: ruang-masa — four dimensional continuum
  • Malayalam: സ്ഥലകാലം (sthalakālaṁ) — four dimensional continuum
  • Malayalam: സ്ഥൂലകാലത (sthūlakālata) — four dimensional continuum
  • Marathi: अवकाशकाल (avkāśkāl) — four dimensional continuum
  • Marathi: काल-अवकाश (kāl-avkāś) — four dimensional continuum
  • Norwegian Bokmål: romtid — four dimensional continuum
  • Norwegian Bokmål: tidrom — four dimensional continuum
  • Occitan: espacitemps — four dimensional continuum
  • Pashto: تشيال وخت — four dimensional continuum
  • Iranian Persian: فَضازَمان (fazâzamân) — four dimensional continuum
  • Polish: czasoprzestrzeń — four dimensional continuum
  • Portuguese: espaço-tempo — four dimensional continuum
  • Punjabi: ਸਪੇਸਟਾਈਮ (sapesṭāīma) — four dimensional continuum
  • Punjabi: سپیس ٹائیم (spes ṭā'īm) — four dimensional continuum
  • Quechua: pacha — four dimensional continuum
  • Romanian: spațiu-timp — four dimensional continuum
  • Russian: простра́нство-вре́мя (prostránstvo-vrémja) — four dimensional continuum
  • Scottish Gaelic: spàs-àm — four dimensional continuum
  • Serbo-Croatian: просторвријеме — four dimensional continuum
  • Serbo-Croatian: просторвреме — four dimensional continuum
  • Serbo-Croatian: prostorvrijeme — four dimensional continuum
  • Serbo-Croatian: prostorvreme — four dimensional continuum
  • Sinhalese: අවකාශ කාලය (awakāśa kālaya) — four dimensional continuum
  • Slovak: priestoročas — four dimensional continuum
  • Slovak: časopriestor — four dimensional continuum
  • Slovene: prôstor-čàs — four dimensional continuum
  • Spanish: espacio-tiempo — four dimensional continuum
  • Swedish: rumtid — four dimensional continuum
  • Tagalog: espasyo-panahon — four dimensional continuum
  • Tajik: фазо-замон (fazo-zamon) — four dimensional continuum
  • Tamil: வெளிநேரம் (veḷinēram) — four dimensional continuum
  • Tatar: фәза-вакыт (fäza-waqıt) — four dimensional continuum
  • Thai: กาล-อวกาศ — four dimensional continuum
  • Thai: ปริภูมิ-เวลา — four dimensional continuum
  • Turkish: uzayzaman — four dimensional continuum
  • Ukrainian: про́стір-час (próstir-čas) — four dimensional continuum
  • Urdu: زَمان و مَکاں (zamān o makā̃) — four dimensional continuum
  • Urdu: زَمان و مَکان (zamān o makān) — four dimensional continuum
  • Uyghur: ۋاقىت-ماكان (waqit-makan) — four dimensional continuum
  • Uzbek: fazo-vaqt — four dimensional continuum
  • Venetan: spàçiotenpo — four dimensional continuum
  • Vietnamese: không-thời gian — four dimensional continuum
  • Welsh: gofod-amser — four dimensional continuum
Real reading context

spacetime in complete knowledge articles