blue vitriol in Bengali বাংলা
blue vitriol in Hindi हिन्दी
blue vitriol in Maithili মৈথিলী
blue vitriol in English
- blue vitriol⇄blue vitriol
a poisonous, blue, crystalline compound of copper and sulfuric acid, used in dyeing and printing, in electric batteries, and in sprays to destroy insects and fungi; copper sulfate, cupric sulfate; bluestone.