pyrosulphuric Meaning, Definition & Usage

Pyr`o*sul*phu"ric adjective

Etymology

Pyro- + -sulphuric.

Definitions

1. (Chem.) Pertaining to, or designating, an acid called also disulphuric acid) 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.