皂矾

皂礬
zàofán
green vitriol (ferrous sulfate FeSO4:7H2O)

CEDICT

iron(II) sulfate; copperas

Wiktionary

一种矿石成分含水硫酸铁单斜晶系绿透明多用墨水防腐除臭

重編國語辭典

Entry Composition

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