space-time

noun
\ ˈspās-ˈtīm How to pronounce space-time (audio) , ˈspās-ˌtīm \

Definition of space-time

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

First Known Use of space-time

1910, in the meaning defined at sense 1

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Time Traveler for space-time

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 17 Jan. 2021.

More from Merriam-Webster on space-time

Britannica.com: Encyclopedia article about space-time

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