nuclear reaction

(redirected from Uncontrolled nuclear reaction)
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Related to Uncontrolled nuclear reaction: Thermonuclear fission

nu·cle·ar re·ac·tion

the interaction of two atomic nuclei or of one such with a subatomic particle, or of the subatomic particles within an atomic nucleus, resulting in a change in the nature of the nuclei concerned or in the energy content of the nuclei or both, usually manifested by transmutation (accompanied by emission of alpha-, beta-, and/or gamma-rays) or by fission or fusion of the nuclei.