Definition of “space-time” - English Dictionary

british dictionary

“space-time” in British English

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space-timenoun [ U ]

uk /ˌspeɪsˈtaɪm/ us /ˌspeɪsˈtaɪm/ specialized

the part of Einstein's Theory of Relativity that adds the idea of time to those of height, depth, and length

(Definition of “space-time” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)