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.]