Vitriol /(?)/

Vit·ri·ol

Vitriol

n.
  1. A sulphate of any one of certain metals, as copper, iron, zinc, cobalt. So called on account of the glassy appearance or luster. (Chem.) [Colloq.]

Phrases & Compounds

Blue vitriol
See under Blue.
Green vitriol
ferrous sulphate; copperas. See under Green.
Oil of vitriol
sulphuric or vitriolic acid; -- popularly so called because it has the consistency of oil.
Red vitriol
a native sulphate of cobalt.
Vitriol of Mars
ferric sulphate, a white crystalline substance which dissolves in water, forming a red solution.
White 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.

Vitriol

v. t.

imp. & p. p. -oled; p. pr. & vb. n. -oling

  1. To dip in dilute sulphuric acid; to pickle. (Metal.)
  2. To vitriolize. [Colloq.]