Part of speech:
(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, e.g. the 5-dimensional spacetime of Kaluza-Klein theory or the 11 dimensions of spacetime in M-theory.
(Only in singular, sports and figuratively) Time out; temporary, limited suspension of play.
Find another word for fourth-dimension. In this page you can discover 6 synonyms, antonyms, idiomatic expressions, and related words for fourth-dimension, like: continuum, four-dimensional space, space/time, space-time continuum, and time.