fission
fis·sion
noun \ˈfish-ən also ˈfizh-\Definition of FISSION
1
: a method of reproduction in which a living cell or body divides into two or more parts each of which grows into a whole new individual
2
a : cleavage 2 b : the splitting of an atomic nucleus resulting in the release of large amounts of energy—called also nuclear fission
—fis·sion verb, fis·sioned; fis·sion·ing \ˈfish-(ə-)niŋ also ˈfizh-\ (audio pronunciation) (audio pronunciation)
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