Definition of “first strike” - English Dictionary

british dictionary

“first strike” in British English

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first strikenoun [ C ]

uk /ˌfɜːst ˈstraɪk/ us /ˌfɝːst ˈstraɪk/

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 Learner's Dictionary & Thesaurus © Cambridge University Press)