成熟分裂 せいじゅくぶんれつ Meanings Noun meiosis See also: 減数分裂 (げんすうぶんれつ). Kanji 成 become. Read as セイ. 熟 ripe. Read as ジュク. 分 part. Read as ブン. 裂 rip. Read as レツ. Jinuma: Japanese Dictionary · Word lists