the four-dimensional continuum having three spatial coordinates and one time coordinate that together completely specify the location of a particle or an event
WordReference Random House Unabridged Dictionary of American English © 2025
space-time
(spās′tīm′),USA pronunciation n.
adj.
- 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.
- Physicsthe physical reality that exists within this four-dimensional continuum.
adj.
- Physicsof, pertaining to, or noting a system with three spatial coordinates and one temporal coordinate.
- Physicsnoting, pertaining to, or involving both space and time:a space-time problem.
- 1910–15
Collins Concise English Dictionary © HarperCollins Publishers::
'space-time' also found in these entries (note: many are not synonyms or translations):
Lorentz transformation
- Minkowski
- Vaisheshika
- ajiva
- coextensive
- cosmic string
- cosmology
- dimension
- equivalence principle
- event
- finite
- fore
- fourth dimension
- from
- gravitational wave
- hyperspace
- immediate
- infinitize
- infinity
- nigh
- occupy
- singularity
- spatiotemporal
- thing-in-itself
- time
- world point
- worldline