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.
The cataclysmic clash released ripples in space-time, known as gravitational waves, as well as light from a gamma-ray burst. Ashley Strickland, CNN Money, 3 May 2025 When Sebastian Stan’s Bucky Barnes inevitably shows up to galvanize the Thunderbolts into a team, Schreier is free to focus on the character’s moral determination — and his Terminator-like bravado — instead of sweating over his place in the space-time continuum. David Ehrlich, IndieWire, 29 Apr. 2025 The imprint’s flagship title, which will launch a Kickstarter crowdfunding campaign before the end of spring, is Time Sensitive, a mind-bending mystery across the space-time continuum redolent of Christopher Nolan’s Tenet and Marvel Studios’ Loki series. Josh Weiss, Forbes.com, 25 Apr. 2025 While the White House has not issued a formal clarification, the speech's wording suggests the phrase was metaphorical—intended to refer to the transformative nature of modern innovation, not literal manipulation of space-time, or the invention of time travel. Hannah Parry, MSNBC Newsweek, 17 Apr. 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

Browse Nearby Words

Cite this Entry

“Space-time.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/space-time. Accessed 11 May. 2025.

More from Merriam-Webster on space-time

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!