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⇱ space-time - WordReference.com Dictionary of English

space-time

US:USA pronunciation: respellingUSA pronunciation: respelling(spās′tīm′)


WordReference Random House Unabridged Dictionary of American English © 2026
space-time  (spās′tīm′),USA pronunciation n. 
  1. PhysicsAlso called space′-time′ contin′uum. the four-dimensional continuum, having three spatial coordinates and one temporal coordinate, in which all physical quantities may be located.
  2. Physicsthe physical reality that exists within this four-dimensional continuum.

adj. 
  1. Physicsof, pertaining to, or noting a system with three spatial coordinates and one temporal coordinate.
  2. Physicsnoting, pertaining to, or involving both space and time:a space-time problem.
  • 1910–15

Collins Concise English Dictionary © HarperCollins Publishers::
space-time, space-time continuum n
  1. the four-dimensional continuum having three spatial coordinates and one time coordinate that together completely specify the location of a particle or an event
'space-time' also found in these entries (note: many are not synonyms or translations):
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