JMdict: 1205690

核分裂 【かくぶんれつ】

  1. [n] nuclear fission
  2. [n] karyokinesis (division of a cell nucleus during mitosis or meiosis)
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Kanji in this word:

Kanji Meanings On Readings Kun Readings
核 Nucleus, Core, Kernel カク
分 Part, Minute Of Time, Segment, Share, Degree, One's Lot, Duty, Understand, Know, Rate, 1%, Chances, Shaku/100 ブン, フン, ブ わ.ける, わ.け, わ.かれる, わ.かる, わ.かつ
裂 Split, Rend, Tear レツ さ.く, さ.ける, -ぎ.れ