核分裂 [かくぶんれつ] /(n) (1) nuclear fission/(2) karyokinesis (division of a cell nucleus during mitosis or meiosis)/(P)/EntL1205690X/ 核分裂 かくぶんれつ 名 [1] {Phys.} Kernspaltung. [2] {Biol.} Kernteilung (Teilung des Zellkerns). HE; 分裂