## In physics|lang=en terms the difference between spacetime and quasilocal

is that

**spacetime** is (physics) an

*n''-dimensional continuum consisting of dimensions of both space & time normally spacetime is considered as having 4 dimensions (''x'', ''y'', ''z'', ''t *), but higher-dimensional spacetimes are often encountered in theoretical physics, eg the 5-dimensional spacetime of kaluza-klein theory or the 11 dimensions of spacetime in m-theory while

**quasilocal** is (physics) describing an extended but finite spacetime domain.

## As a noun **spacetime**

is (uncountable|physics) the four-dimensional continuum of the three spatial dimensions plus time.

## As an adjective **quasilocal** is

(mathematics) describing a ring that is not noetherian.