锌矾 xīnfán zinc sulfate Origin Definitions Defs Strokes Stroke Words Sentences Sents 锌 鋅 xīn noun zinc zinc; a bluish-white metallic element with the symbol Zn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