English noun: fission | |||
| 1. | fission (process) reproduction of some unicellular organisms by division of the cell into two more or less equal parts | ||
| Broader (hypernym) | agamogenesis, asexual reproduction | ||
| Narrower (hyponym) | schizogony | ||
| 2. | fission (process) a nuclear reaction in which a massive nucleus splits into smaller nuclei with the simultaneous release of energy | ||
| Synonyms | nuclear fission | ||
| Broader (hypernym) | nuclear reaction | ||