nuclear fission
noun/ˌnjuːkliə ˈfɪʃn/
/ˌnuːkliər ˈfɪʃn/
(also fission)
[uncountable] (physics)- the act or process of splitting the nucleus (= central part) of an atom, when a large amount of energy is releasedTopics Physics and chemistryc2
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nuclear fission