1. (noun) a copper salt made by the action of sulfuric acid on copper oxide

• copper sulphate
• cupric sulfate
• cupric sulphate

1. (noun) a copper salt made by the action of sulfuric acid on copper oxide

• blue copperas
• blue stone
• blue vitriol
• chalcanthite

1. (noun) a copper salt made by the action of sulfuric acid on copper oxide

• sulfate
• sulphate