Copper-sulfate meaning

A poisonous gray-white to blue crystalline copper salt, CuSO4 , used in agriculture, textile dyeing, leather and wood treatment, electroplating, and the manufacture of germicides.
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A blue, crystalline substance, CuSO45H2O, that effloresces and turns white when heated; blue vitriol: used in making pigments, germicides, batteries, etc.
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A crystalline salt that is soluble in water and slightly soluble in alcohol. In its anhydrous form it is white, and in its hydrous form it is blue. Copper sulfate is used in agriculture, textile dyeing, leather treatment, electroplating, and the manufacture of germicides. In its blue form it is also called blue vitriol. Chemical formula: CuSO4·5H2O.
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(US) Alternative spelling of copper sulphate.
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