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

Very simply put, bent starlight from distant galaxies can allow objects passing in front of massive objects to be temporarily magnified and visible, thanks to how general relativity and space-time works. —Elizabeth Howell, Space.com, 21 Apr. 2026

What to read next The four-part series tackles the origins of the universe, the pivotal role of stardust in all living things, and the nature of space-time, among many other cosmic mysteries. —David Faris, TheWeek, 13 Apr. 2026

Preskill, for his part, would like to simulate the quantum nature of space-time. —Quanta Magazine, 3 Apr. 2026

Having your entire concept of the space-time continuum blown up will do that to a person. —Maggie Fremont, Vulture, 26 Mar. 2026

Word History

First Known Use

1910, in the meaning defined at sense 1

Rhymes for space-time

• aforetime
• allozyme
• anytime
• christmastime
• cybercrime
• dinnertime
• guggenheim
• isozyme
• lysozyme
• maritime
• mesenchyme
• overtime