fission
英 ['fɪʃ(ə)n]
美['fɪʃən]
- n. 裂变；分裂；分体；分裂生殖法
英英释意
- 1. a nuclear reaction in which a massive nucleus splits into smaller nuclei with the simultaneous release of energy
- 2. reproduction of some unicellular organisms by division of the cell into two more or less equal parts