White vitriol Meaning, Definition & Usage

  1. noun a colorless water-soluble powder; used as a mordant or to preserve wood or for the electrodeposition of zinc
    zinc sulfate; zinc sulphate; zinc vitriol.

WordNet

Definitions
  1. zinc sulphate, a white crystalline substance used in medicine and in dyeing. It is usually obtained by dissolving zinc in sulphuric acid, or by roasting and oxidizing certain zinc ores. Formerly called also vitriol of zinc.
Definitions
  1. (Chem.), hydrous sulphate of zinc. See White vitriol, under Vitriol.
  2. zinc sulphate, a white crystalline substance used in medicine and in dyeing. It is usually obtained by dissolving zinc in sulphuric acid, or by roasting and oxidizing certain zinc ores. Formerly called also vitriol of zinc.

Webster 1913