| a colorless, crystalline, water-soluble powder, ZnSO4·7H2O, used for preserving skins and wood, in the electrodeposition of zinc, in the bleaching of paper, as a mordant in calico printing, and in medicine as an astringent, styptic, and emetic. |
| white vitriol n. See zinc sulfate. |
| zinc sulfate n. A colorless crystalline compound, ZnSO4·7H2O, used medicinally as an emetic and astringent, as a fungicide, and in wood and skin preservatives. Also called white vitriol. |
