pyrocatechin Meaning, Definition & Usage

Pyr`o*cat"e*chin noun
Etymology
Pyro- + catechu.
Definitions
  1. (Chem.) A white crystalline substance, C6H4(OH)2, of the phenol series, found in various plants; -- so called because first obtained by distillation of gum catechu. Called also catechol, oxyphenol. etc.

Webster 1913