Meanings
nounspacetime (countable and uncountable, plural spacetimes)
plural spacetimes · alternative space-time
- uncountablenatural sciencesThe four-dimensional continuum of the three spatial dimensions plus time.
An event is a point in spacetime, specified by the coordinates x, y, z, and t.
- countableuncountablenatural sciencesAn 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.
a Minkowski spacetime
1 more example
a 5-dimensional spacetime
- countableuncountablerelativityA specific region of the universe with mathematically different properties than the surrounding spacetime. Synonymous with "metric" within the context of general relativity.
a Schwarzschild spacetime
1 more example
a Reissner-Nordström spacetime
Synonyms & antonyms
Similar
nounthe four-dimensional coordinate system (3 dimensions of space and 1 of time) in which physical events are located
Similar
space-timespace-time continuum
Broader
Also see
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
- GermanRaumzeit
- Englishspacetime
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.
More words from German
Full word history & related roots →Translations
Afrikaans ruimtetyd
- ruimtetydfour dimensional continuum
Arabic زَمَكَان
- زَمَكَان (zamakān)four dimensional continuum
Basque espazio-denbora
- espazio-denborafour dimensional continuum
Bengali স্থান-কাল
- স্থান-কাল (sthan-kal)four dimensional continuum
Bulgarian простра́нство-вре́ме
- простра́нство-вре́ме (prostránstvo-vréme)four dimensional continuum
Catalan espai-temps, espaitemps
- espai-tempsfour dimensional continuum
- espaitempsfour dimensional continuum
Chinese Cantonese 時空 /时空
- 時空 /时空four dimensional continuum
Chinese Mandarin 時空 /时空
- 時空 /时空 (shíkōng)four dimensional continuum
Czech časoprostor
- časoprostorfour dimensional continuum
Danish rumtid
- rumtidfour dimensional continuum
Dutch ruimtetijd, ruimte-tijd
- ruimtetijdfour dimensional continuum
- ruimte-tijdfour dimensional continuum
- tijd-ruimtefour dimensional continuum
- tijdruimtefour dimensional continuum
Esperanto spactempo
- spactempofour dimensional continuum
Estonian aegruum
- aegruumfour dimensional continuum
Finnish aika-avaruus
- aika-avaruusfour dimensional continuum
French espace-temps
- espace-tempsfour dimensional continuum
German Raumzeit
- Raumzeitfour dimensional continuum
Greek χωροχρόνος
- χωροχρόνος (chorochrónos)four dimensional continuum
Hebrew מֶרְחָב־זְמַן
- מֶרְחָב־זְמַן (merkháv-zmán)four dimensional continuum
Hindi दिक्काल, दिक्-काल
- दिक्काल (dikkāl)four dimensional continuum
- दिक्-काल (dik-kāl)four dimensional continuum
Hungarian téridő
- téridőfour dimensional continuum
Icelandic tímarúm
- tímarúmfour dimensional continuum
Indonesian ruang waktu
- ruang waktufour dimensional continuum
Irish spás-am
- spás-amfour dimensional continuum
Italian spaziotempo, spaziotemporalità
- spaziotempofour dimensional continuum
- spaziotemporalitàfour dimensional continuum
Japanese 時空
- 時空 (jikū)four dimensional continuum
Korean 시공간, 시공
- 시공간 (sigonggan)four dimensional continuum
- 시공 (sigong)four dimensional continuum
Latin spatitempus
- spatitempusfour dimensional continuum
Latvian laiktelpa
- laiktelpafour dimensional continuum
Lithuanian erdvėlaikis
- erdvėlaikisfour dimensional continuum
Malay ruang-masa
- ruang-masafour dimensional continuum
Norwegian Bokmål romtid, tidrom
- romtidfour dimensional continuum
- tidromfour dimensional continuum
Polish czasoprzestrzeń
- czasoprzestrzeńfour dimensional continuum
Portuguese espaço-tempo
- espaço-tempofour dimensional continuum
Punjabi ਸਪੇਸਟਾਈਮ
- ਸਪੇਸਟਾਈਮ (sapesṭāīma)four dimensional continuum
Romanian spațiu-timp
- spațiu-timpfour dimensional continuum
Russian простра́нство-вре́мя
- простра́нство-вре́мя (prostránstvo-vrémja)four dimensional continuum
Scottish Gaelic spàs-àm
- spàs-àmfour dimensional continuum
Slovak priestoročas, časopriestor
- priestoročasfour dimensional continuum
- časopriestorfour dimensional continuum
Spanish espacio-tiempo
- espacio-tiempofour dimensional continuum
Swedish rumtid
- rumtidfour dimensional continuum
Tagalog espasyo-panahon
- espasyo-panahonfour dimensional continuum
Tamil வெளிநேரம்
- வெளிநேரம் (veḷinēram)four dimensional continuum
Thai กาล-อวกาศ, ปริภูมิ-เวลา
- กาล-อวกาศfour dimensional continuum
- ปริภูมิ-เวลาfour dimensional continuum
Turkish uzayzaman
- uzayzamanfour dimensional continuum
Ukrainian про́стір-час
- про́стір-час (próstir-čas)four dimensional continuum
Urdu زَمان و مَکاں, زَمان و مَکان
- زَمان و مَکاں (zamān o makā̃)four dimensional continuum
- زَمان و مَکان (zamān o makān)four dimensional continuum
Vietnamese không-thời gian
- không-thời gianfour dimensional continuum
Welsh gofod-amser
- gofod-amserfour dimensional continuum
Rhymes & wordplay
Anagrams
Cite this entry
APA
spacetime. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/spacetime
MLA
“spacetime.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/spacetime. Accessed November 2, 2026.
Chicago
WatkinsX Dictionary, s.v. “spacetime,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/spacetime.
Source: spacetime on Wiktionary, CC BY-SA 4.0.