不揮発成分 ふきはつせいぶん Meanings Noun nonvolatile component; nonvolatile constituent See also: 揮発成分 (きはつせいぶん). Kanji 不 un-. Read as フ. 揮 wield 発 emit. Read as ハツ. 成 become. Read as セイ. 分 part. Read as ブン. Word lists Chemistry Jinuma: Japanese Dictionary · Word lists