Vitriolic \Vit`ri*ol"ic\, a. [Cf. F. vitriolique.]

(Chem.) Of or pertaining to vitriol; derived from, or resembling, vitriol; vitriolous; as, a vitriolic taste. Cf. Vitriol.

Vitriolic acid (Old Chem.),
   (a) sulphuric acid. See Vitriol
   (b) . [Colloq.]

Source: Webster's Revised Unabridged Dictionary (1913)