释义 |
ˈtime-like, a. Physics. [f. time n. + -like.] Being or related to an interval between two points in space-time that lie inside one another's light cones (so that a signal or an observer can pass from one to another).
1914[see four-vector s.v. four C. 2]. 1920[see space-like a.]. 1955O. Klein in W. Pauli Niels Bohr 112 We divide the k-states into those belonging to time-like k-vectors..and those belonging to space-like k-vectors.., a division which is relativistically invariant. 1959[see null a. 4 d]. 1978Pasachoff & Kutner University Astron. xxvii. 694 The world lines of light divide space⁓time into spacelike and timelike regions. |