What is "oxyphenol"

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.

n. (context chemistry English) A phenol produced by the distillation of catechin; oxyphenic acid or pyrocatechin.