りゅうぶん 留分 LinksSentence search for 留分Sentence search for りゅうぶんSentence search for 溜分Kanji details for 留 and 分Edit in JMdict Noun1. fraction (e.g. in distillation); cutChemistryOther forms溜分 【りゅうぶん】 Discussions Log in to talk about this word.