かくぶんれつせい 核分裂性 LinksSentence search for 核分裂性Sentence search for かくぶんれつせいKanji details for 核, 分, 裂 and 性Edit in JMdict Noun1. fissilityNoun which may take the genitive case particle 'no'2. fissile; fissionable Discussions Log in to talk about this word.