spacetime
/ˈspeɪsˌtaɪm/
spacetime noun: the four-dimensional continuum of the three spatial dimensions plus time.
Noun
spacetime (countable and uncountable, plural spacetimes)
- The 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.
- 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.
- a Minkowski spacetime
- a 5-dimensional spacetime
- A 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
- a Reissner-Nordström spacetime
spacetime meaning in Hindi, Tamil, Marathi and Urdu
spacetime in Hindi
- four dimensional continuum
- दिक्काल dikkāl, दिक्-काल dik-kāl
spacetime in Tamil
- four dimensional continuum
- வெளிநேரம் veḷinēram
spacetime in Marathi
- four dimensional continuum
- अवकाशकाल avkāśkāl, काल-अवकाश kāl-avkāś
spacetime in Urdu
- four dimensional continuum
- زَمان و مَکاں zamān o makā̃, زَمان و مَکان zamān o makān
More languagesFewer languages
- spacetime in Bengali
- স্থান-কাল sthan-kal
- spacetime in Malayalam
- സ്ഥലകാലം sthalakālaṁ, സ്ഥൂലകാലത sthūlakālata
- spacetime in Punjabi
- ਸਪੇਸਟਾਈਮ sapesṭāīma
- spacetime in Sinhala
- අවකාශ කාලය awakāśa kālaya
- spacetime in Pashto
- تشيال وخت
- spacetime in Tagalog
- espasyo-panahon
- spacetime in Arabic
- زَمَكَان zamakān
- spacetime in Malay
- ruang-masa
- spacetime in Indonesian
- ruang waktu
- spacetime in Thai
- กาล-อวกาศ, ปริภูมิ-เวลา
- spacetime in Vietnamese
- không-thời gian
- spacetime in Myanmar
- အာကာသအချိန် akasa.a.hkyin
Forms of spacetime
| plural | spacetimes |
|---|---|
| alternative form | space-time |
| alternative form | time-space |
Origin of spacetime
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.
Words formed from spacetime
Phrases with spacetime
Questions about spacetime
- What does spacetime mean?
- Spacetime means the four-dimensional continuum of the three spatial dimensions plus time.
- What is spacetime in Hindi?
- Spacetime in Hindi is दिक्काल (dikkāl), दिक्-काल (dik-kāl). See Spacetime meaning in Hindi.
- What part of speech is spacetime?
- Spacetime is a noun.
- How do you pronounce spacetime?
- Spacetime is pronounced /ˈspeɪsˌtaɪm/ (US).
- What is the plural of spacetime?
- The plural of spacetime is spacetimes.
Words near spacetime in the dictionary
Source and license
Adapted from Wiktionary: spacetime (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
Last updated:
Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Flame, not lame-spacetime.wav.
Cite this entry: “spacetime.” Word.ws, https://word.ws/spacetime. Based on Wiktionary, CC BY-SA 4.0.