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Definition of nuclear fission noun from the Oxford Advanced Learner's Dictionary

nuclear fission

noun
 
/ˌnjuːkliə ˈfɪʃn/
 
/ˌnuːkliər ˈfɪʃn/
(also fission)
[uncountable] (physics)
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  1. the act or process of splitting the nucleus (= central part) of an atom, when a large amount of energy is releasedTopics Physics and chemistryc2
See nuclear fission in the Oxford Advanced American DictionarySee nuclear fission in the Oxford Learner's Dictionary of Academic English
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trait
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