核分裂

(1)a nuclear reaction in which a massive nucleus splits into smaller nuclei with the simultaneous release of energy

(2)大きな核がエネルギーを放出しながらより小さい核に分裂する核反応

(3)organic process consisting of the division of the nucleus of a cell during mitosis or meiosis

(4)有糸分裂または減数分裂の間の細胞の核分裂からなる有機プロセス