VeratricVe*ra"tric\, a. (Chem.) Pertaining to, or derived from, plants of the genus Veratrum. Veratric acid (Chem.), an acid occurring, together with veratrine, in the root of white hellebore (Veratrum album), and in sabadilla seed; -- extracted as a white crystalline substance which is related to protocatechuic acid.