Definition of “outer space” - English Dictionary

british dictionary

“outer space” in British English

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outer spacenoun [ U ]

uk /ˌaʊ.tə ˈspeɪs/ us /ˌaʊ.t̬ɚ ˈspeɪs/

the part of space that is very far away from Earth

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

“outer space” in American English

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outer spacenoun [ U ]

us /ˈɑʊ·tər ˈspeɪs/

the universe beyond the earth’s atmosphere (= the air surrounding the earth).

(Definition of “outer space” from the Cambridge Academic Content Dictionary © Cambridge University Press)