Dictionary
fer'rous sul'fate
Chem., Pharm.
a bluish-green, crystalline, saline-tasting, water-soluble heptahydrated solid, FeSO
4·7H
2O, used chiefly in the manufacture of other iron salts, in water purification, fertilizer, inks, pigments, tanning, photography, and in medicine in the treatment of anemia. Also called
copperas, green vitriol, iron vitriol, iron sulfate. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.