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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