Vitriolate \Vit"ri*o*late\, v. t. [imp. & p. p. {Vitriolated}; p. pr. & vb. n. {Vitriolating}.] (Old Chem.) (a) To convert into, or change to, a vitriol; to make into sulphuric acid or a sulphate. (b) To subject to the action of, or impregnate with, vitriol. [1913 Webster]