Pyr′o‐sul‐phu″ric (?), a. [Pyro- + -sulphuric.] (Chem.) Pertaining to, or designating, an acid called also disulphuricacid) obtained by distillation of certain sulphates, as a colorless, thick, oily liquid, H2S2O7 resembling sulphuric acid. It is used in the solution of indigo, in the manufacture of alizarin, and in dehydration.
Content
Rights and sources
Review source, license and attribution information for this content.
Content
Webster's Dictionary 1913
Webster's Revised Unabridged Dictionary, C. & G. Merriam Co., 1913.