- C6H4OH2
- Pyrocatechin Pyr`o*cat"e*chin, n. [Pyro- + catechu.] (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. [1913 Webster]
The Collaborative International Dictionary of English. 2000.