'space-time continuum' definitions:

Definition of 'space-time continuum'

From: WordNet
noun
The four-dimensional coordinate system (3 dimensions of space and 1 of time) in which physical events are located [syn: space-time, space-time continuum]

Definition of 'space-time continuum'

From: GCIDE
  • space-time \space-time\, n. the four-dimensional coordinate system in which all physical objects of the known universe are located, and in which all physical events occur; it consists of three spatial dimensions and one time dimension; -- also called the space-time continuum. [PJC]