noun \ˈspās-ˈtīm, ˈspās-ˌ\

Definition of space–time

  1. 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. 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


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