first strike definition, meaning - what is first strike in the British English Dictionary & Thesaurus - Cambridge Dictionaries Online

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English definition of “first strike”

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first strike

noun [C] uk   us  
in a nuclear war, an attack intended to destroy the enemy's ability to fire before they have had an opportunity to do so
(Definition of first strike from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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