- 1. n. Green vitriol, or sulphate of iron; a green crystalline substance, of an astringent taste, used in making ink, in dyeing black, as a tonic in medicine, etc. It is made on a large scale by the oxidation of iron pyrites. Called also ferrous sulphate. Source: opted
- 2. Green vitriol, or sulphate of iron; a green crystalline substance, of an astringent taste, used in making ink, in dyeing black, as a tonic in medicine, etc. It is made on a large scale by the oxidation of iron pyrites. Called also ferrous sulphate. Note: The term copperas was formerly synonymous with vitriol, and included the green, blue, and white vitriols, or the sulphates of iron, copper, and zinc. Source: webster
- 3. Green vitriol, or sulphate of iron; a green crystallinesubstance, of an astringent taste, used in making ink, in dyeingblack, as a tonic in medicine, etc. It is made on a large scale bythe oxidation of iron pyrites. Called also ferrous sulphate. Source: adambom
- 4. n. Green vitriol, or sulphate of iron; a green crystalline substance, of an astringent taste, used in making ink, in dyeing black, as a tonic in medicine, etc. It is made on a large scale by the oxidation of iron pyrites. Called also ferrous sulphate. Source: ecdict
Home / Dictionary / copperas
copperas
Thesaurus links
Related headwords in VividLex — dictionary ↔ thesaurus bridge for exploration and SEO depth.