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单词 blue vitriol
释义 blue vitriol
 Chem., Mineral.
 a salt, copper sulfate, CuSO4·5H2O, occurring naturally as large transparent, deep-blue triclinic crystals, appearing in its anhydrous state as a white powder: used chiefly as a mordant, insecticide, fungicide, and in engraving. Also called blue copperas, chalcanthite, cupric sulfate.
 [1760-70]
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更新时间:2025/1/25 7:00:47