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English definition of “nuclear”

nuclear

adjective

nuclear adjective (OF ATOMS)

physics    /ˈnu·kli·ər/ [not gradable] of or relating to a process by which the nucleus (= central part) of an atom is divided or joined to another nucleus, resulting in the release of energy    /ˈnu·kli·ər/ [not gradable] relating to weapons, or the use of weapons, in which an atom is divided or joined to another nucleus to release energy in a destructive way: nuclear war nuclear disarmament (= giving up or removing a country’s nuclear weapons)

nuclear adjective (OF CELLS)

biology /ˈnu·kli·ər/ [not gradable] of or relating to the nucleus of a cell
(Definition of nuclear from the Cambridge Academic Content Dictionary © Cambridge University Press)
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