copperas

n. 绿矾 [化] 绿矾; 水绿矾; 皂矾(天然结晶硫酸亚铁)

词形变化

copperases 复数 copperases

别名

coppras coperas

释义与例句

n.
  1. 1.

    Iron(II) sulfate.

    不可数
  2. 2.

    An obsolete sulphate compound with one of the three metals, zinc, copper or iron.

    不可数

相关短语

Copperas Cove yellow copperas green copperas [化] 绿矾; 七水硫酸亚铁; 七合硫酸亚铁

词源

From Middle English coperas, coperose (“metallic sulfate”), from Old French coperose. Compare French couperose (“sulfate”), Medieval Latin cuprosa, Late Latin aqua cuprosa, Latin cupri rosa, "rose of copper".

来源：wiktionary