Vitriol

·add. ·noun To Vitriolize.

II. Vitriol ·add. ·noun To dip in dilute sulphuric acid; to Pickle.

III. Vitriol ·noun A sulphate of any one of certain metals, as copper, iron, zinc, cobalt. So called on account of the glassy appearance or luster.

IV. Vitriol ·noun Sulphuric acid;

— called also oil of vitriol. So called because first made by the distillation of green vitriol. ·see Sulphuric acid, under Sulphuric.