space-time

noun

ˈspās-ˈtīm How to pronounce space-time (audio)
ˈspās-ˌtīm
1
: a system of one temporal and three spatial coordinates by which any physical object or event can be located

called also space-time continuum

2
: the whole or a portion of physical reality determinable by a usually four-dimensional coordinate system
also : the properties characteristic of such an order

Examples of space-time in a Sentence

Recent Examples on the Web
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Designed to play like a space-time continuum flattening jukebox, the album’s tracks weave in dialogue from The NeverEnding Story and Scarface along with samples from Duke Ellington and Ella Fitzgerald, which are all nestled among the psychedelic bass music. Katie Bain, Billboard, 20 Nov. 2025 This seemingly unexplainable space-time-continuum confusion is also tied into the characters themselves. Dalton Ross, Entertainment Weekly, 10 Nov. 2025 In his general theory of relativity, Einstein described space-time as a four-dimensional manifold, and gravity as that manifold’s curvature. Quanta Magazine, 3 Nov. 2025 As first predicted by Albert Einstein, gravitational lensing occurs when a massive celestial body causes a sufficient curvature of space-time for the path of light around it to be visibly bent, as if by a lens. Eric Lagatta, USA Today, 13 Oct. 2025 See All Example Sentences for space-time

Word History

First Known Use

1910, in the meaning defined at sense 1

Time Traveler
The first known use of space-time was in 1910

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Cite this Entry

“Space-time.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/space-time. Accessed 23 Nov. 2025.

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