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Vitriol of Mars
(gcide) | Vitriol \Vit"ri*ol\, 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] |
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