zinc sulfate

noun Chemistry.

1. 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.

1. A colorless crystalline compound used especially in hydrated form as an emetic and astringent, as a fungicide, and in wood and skin preservatives. Chemical formula: ZnSO4.