vitriol : Idioms & Phrases

• noun hydrated blue crystalline form of copper sulfate
  blue stone; chalcanthite; blue copperas.
  

WordNet

• (Chem.), sulphate of copper, a violet blue crystallized salt, used in electric batteries, calico printing, etc.

Webster 1913

• . (a) (Chem.) Sulphate of iron; a light green crystalline substance, very extensively used in the preparation of inks, dyes, mordants, etc. (b) (Min.) Same as copperas, melanterite and sulphate of iron.

Webster 1913

• noun (H2SO4) a highly corrosive acid made from sulfur dioxide; widely used in the chemical industry
  sulfuric acid; vitriol; sulphuric acid.
  

WordNet

• (Chem.), strong sulphuric acid; so called from its oily consistency and from its forming the vitriols or sulphates.
• sulphuric or vitriolic acid; popularly so called because it has the consistency of oil.

Webster 1913

• a native sulphate of cobalt.

Webster 1913

• (Chem.), sulphuric acid; so called because formerly obtained by the distillation of green vitriol. Obs.

Webster 1913

• ferric sulphate, a white crystalline substance which dissolves in water, forming a red solution.

Webster 1913

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

WordNet

• (Chem.), hydrous sulphate of zinc. See White vitriol, under Vitriol.
• 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

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

WordNet

• (Chem.), zinc sulphate. See White vitriol, under Vitriol.

Webster 1913