释义 |
copper sulfate noun : any sulfate of copper; specifically : the normal sulfate CuSO4, white when anhydrous but best known as the blue crystalline pentahydrate CuSO4.5H2O, that is made by roasting copper sulfide ores and by the action of sulfuric acid on copper or copper oxide and that is used chiefly as a fungicide and algicide, in dyeing and printing, in making pigments and other compounds, and in electric batteries — see bordeaux mixture |