Dictionary De - En
De - Es
De - Pt| English Dictionary: ferrous sulphate | by the DICT Development Group |
| 1 result for ferrous sulphate | |
| From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
|
Copperas \Cop"per*as\, n. [OE. coperose, F. couperose, fr. (assumed?) L. cuprirosa, equiv. to G. cha`lkanqos, i. e. copper flower, vitriol. See {Copper} and {Rose.}] 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. | |
