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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Any disturbance in the fabric of space-time seems to have a direct impact on the supply chain. Sadagopan S, Forbes.com, 29 May 2025 His model does not rely on strange matter or intense space-time distortion, but uses a simple space-time shape that allows paths to loop back in time. Dete Meserve, Space.com, 29 May 2025 Algorithm designers have long studied these space-time trade-offs for specific tasks like sorting. Ben Brubaker, Quanta Magazine, 21 May 2025 Light is electromagnetic radiation: basically, an electric wave and a magnetic wave coupled together and traveling through space-time. Jarred Roberts, The Conversation, 20 May 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 4 Jun. 2025.

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