space-time

noun

ˈspās-ˈtīm 

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

But time itself is as abstract a notion as any our human brains can conceive of, and reading about space-time doesn’t help much, at least for those of us whose brains are not suited for math. —Erik Kain, Forbes, 21 Nov. 2024

Then the pandemic hit, and the team left our space-time to work in the digital ether of Zoom. —Charlie Wood, WIRED, 3 Nov. 2024

These events shake space-time far more intensely than the sun’s internal agitation does — providing a deluge of gravitons as opposed to Dyson’s trickle. —Charlie Wood, Quanta Magazine, 30 Oct. 2024

First theorized in 1916 by Albert Einstein, gravitational waves are ripples in the fabric of space-time created during some of the universe's most powerful events, including the merging or collision of supermassive black holes. —Eric Lagatta, USA TODAY, 26 Oct. 2024

Word History

First Known Use

1910, in the meaning defined at sense 1