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English definition of “nuclear”

nuclear

adjective (POWER)    /ˈnjuː.klɪər/ US  /ˈnuː.kliː.ɚ/
B2 being or using the power produced when the nucleus of an atom is divided or joined to another nucleus: nuclear energy/power a nuclear power plant the nuclear industryFuelsPetroleum products especially when used as fuel B2 relating to weapons, or the use of weapons, which use the power produced when the nucleus of an atom is divided or joined to another nucleus: a nuclear war/attack nuclear disarmament How many nations have a nuclear capability (= have nuclear weapons)?Arms and munitions in general
(Definition of nuclear adjective (POWER) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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