ぶんりゅう 分留 LinksSentence search for 分留Sentence search for ぶんりゅうSentence search for 分溜Kanji details for 分 and 留Edit in JMdict Noun, Suru verb, Transitive verb1. fractional distillation; fractionationAbbreviation, See also 分別蒸留Other forms分溜 【ぶんりゅう】 Discussions Log in to talk about this word.