胆矾 dǎnfán chalcanthite Origin Definitions Defs Strokes Stroke Words Sentences Sents 胆 膽 dǎn noun gallbladder The gallbladder; a bitter organ located near the liver that aids in digestion; also referred to as 胆囊 dǎnnáng.矾 礬 fán alum Any of a group of hydrated double sulfate salts of certain metals, such as 明矾 míngfán, which are used in leather tanning, papermaking, and dyeing