copperas

名词 n.
中文释义

英文释义

名词 n.
  1. Iron(II) sulfate. uncountable,usually
    — It were superfluous to describe the Process of making the Aqua fortis; it shall suffice to let you know, that our common Coperas makes this Aquafortis well enough for our purpose[…]
  2. An obsolete sulphate compound with one of the three metals, zinc, copper or iron. uncountable,usually

词形变化

copperases plural coperas alternative

词汇关系

衍生词
blue copperas green copperas white copperas yellow copperas

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".
0 次浏览 数据来源: Wiktionary