核分裂生成物 かくぶんれつせいせいぶつ Meanings Noun fission product Kanji 核 nucleus. Read as カク. 分 part. Read as ブン. 裂 rip. Read as レツ. 生 life. Read as セイ. 成 become. Read as セイ. 物 thing. Read as ブツ. Jinuma: Japanese Dictionary · Word lists