Read Edit View history 鞣質 róuzhì tannin Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 鞣质/ 鞣質 róuzhì tannin tannic acid or related chemical compounds used in tanning hides Edit Delete References Add reference same_as 单宁酸/單寧酸 → 鞣质/鞣質 Edit Delete