Speakur

Word Pronunciation & Dictionary

spacetime

/ˈspeɪsˌtaɪm/

Word Rarity Rare

Frequency: Zipf frequency 2.83 in modern English

Syllables
space-time
IPA
/ˈspeɪsˌtaɪm/
15
Scrabble Score
9
Letters
2
Syllables
8
Unique Chars

Meaning

noun

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

Uncountable

noun

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.

Countable; Uncountable

noun

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

Countable; Uncountable

Example Sentences

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.

Regional Pronunciation

  • American English: /ˈspeɪsˌtaɪm/

Usage

Inflected Forms

spacetimes (plural) space-time (alternative) time-space (alternative)

Derived Forms

cyberspacetime prespacetime

Phrases

absolute space-time spacetime metric spacetime physics spacetime singularity time-distance

Frequently Paired Words

time-distance temporospatial spatiotemporal

Synonyms

space-time space-time continuum

Questions

How do you pronounce spacetime?
The recorded pronunciation is /ˈspeɪsˌtaɪm/.
What does spacetime mean?
The four-dimensional continuum of the three spatial dimensions plus time.
Where does spacetime come from?
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.

How to pronounce spacetime

  1. Open the pronunciation page — Open the Speakur entry for “spacetime”.
  2. Read the phonetic spelling — Read the IPA spelling (/ˈspeɪsˌtaɪm/) so you know which sounds to aim for.
  3. Play the audio — Click Play to hear reference audio for “spacetime”.
  4. Repeat and practice — Say “spacetime” aloud, matching stress and vowels until it feels natural.