熟成 じゅくせい Meanings Noun, する verb, Intransitive maturing; ripening; aging; ageing; curing; fermenting Kanji 熟 ripe. Read as ジュク. 成 become. Read as セイ. Example sentences ワインはたるの中に入れて熟成させる。Wine is put in casks to age. Common phrases 熟成が進む Jinuma: Japanese Dictionary · Word lists