space-time
space–time
noun \ˈspās-ˈtīm, ˈspās-ˌ\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
1915
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