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 The new approach measures the region of space-time that’s significantly curved by the proton. Charlie Wood, WIRED, 14 Apr. 2024 China has similar plans to upgrade its space-time system by 2035. Chris Buckley, New York Times, 28 Mar. 2024 In a 2020 paper, Boyle, Flicker and the late Madeline Dickens showed that aperiodic tilings appear in the space-time geometry of those models. Ben Brubaker, WIRED, 17 Mar. 2024 And space-time itself may not really be a fundamental notion. Quanta Magazine, 14 Mar. 2024 Massive objects bend the fabric of space-time, changing the direction of passing light and making the source of the light appear distorted — a phenomenon called gravitational lensing. Liz Kruesi, Quanta Magazine, 4 Mar. 2024 In physics, a singularity is a point in reality where the rules break down, and rapid expansion of the fabric of space-time can occur. Popular Science, 22 Feb. 2024 Today, Jesse shares his thoughts via email about Lexi's bold talent show performance, the Sydney vs. Maria drama, and how The Bachelor fits into the space-time continuum. Kristen Baldwin, EW.com, 6 Feb. 2024 One night in 2018, at a bar in the East Village, Celine Song fell through a career-altering hole in the space-time continuum. Chris Vognar, Los Angeles Times, 5 Feb. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'space-time.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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

Dictionary Entries Near space-time

Cite this Entry

“Space-time.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/space-time. Accessed 19 Apr. 2024.

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