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English definition of “nuclear”

nuclear

adjective (PHYSICS)    /ˈnjuː.klɪər/ US  /ˈnuː.kliː.ɚ/ specialized
relating to the nucleus of an atom : nuclear fission / fusion / physics Atoms, molecules and sub-atomic particles
(Definition of nuclear adjective (PHYSICS) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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