We found 3 definitions of fissions from 2 different sources.
NounPlural: fissions |
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fission - reproduction of some unicellular organisms by division of the cell into two more or less equal parts | ||
agamogenesis, asexual reproduction reproduction without the fusion of gametes | ||
fission - a nuclear reaction in which a massive nucleus splits into smaller nuclei with the simultaneous release of energy | ||
nuclear fission |