nuclear winter Meaning in the Cambridge English Dictionary
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Meaning of “nuclear winter” in the English Dictionary

"nuclear winter" in British English

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nuclear winternoun [C usually singular]

uk   us   specialized
a ​period that ​scientistsbelieve would ​follow a ​largenuclearexplosion, when there would be very little ​light or ​heat and nothing would ​grow in the ​world
(Definition of nuclear winter from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)
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