[1] : The Collaborative International Dictionary of English v.0.48

vitriol \vit"riol\, n. f. vitriol; cf. pr. vitriol, vetriol,
   sp.  pg. vitriolo, it. vitriuolo; fr. l. vitreolus of glass,
   vitreus vitreous. see vitreous. chem.
   a a sulphate of any one of certain metals, as copper, iron,
       zinc, cobalt. so called on account of the glassy
       appearance or luster.
   b sulphuric acid; -- called also oil of vitriol. so
       called because first made by the distillation of green
       vitriol. see sulphuric acid, under sulphuric.
       colloq.
       1913 webster

   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.
      1913 webster
see also:
vitreous oil of vitriol sulphuric acid sulphuric blue vitriol blue 
green vitriol green oil of vitriol red vitriol vitriol of mars 
white vitriol vitriol of zinc 

Zinc >> Z Words
Zinc, definition of term: Zinc
zinc_pag1.html

Vitriol >> V Words
Vitriol, definition of term: Vitriol
vitriol_pag1.html

Zinc Oxide >> Z Words
Zinc Oxide, definition of term: Zinc Oxide
zinc+oxide_pag1.html

Blue Vitriol >> B Words
Blue Vitriol, definition of term: Blue Vitriol
blue+vitriol_pag1.html

Butter Of Zinc >> B Words
Butter Of Zinc, definition of term: Butter Of Zinc
butter+of+zinc_pag1.html