D defs.my
Entry 1 sense Webster, 1913

space-time

· IPA /spˈeɪstˌaɪm/
01 n. the four-dimensional coordinate system in which all physical objects of the known universe are located, and in which all physical events oc…
  1. 1.
    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. Also: space-time continuum