Oxyphenol \Ox`y*phe"nol\, n. (Chem.) A phenol, {C6H4(OH)2}, produced by the distillation of catechin; called also {oxyphenic acid}, and now {pyrocatechin}. [1913 Webster]
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]