D defs.my
Entry 1 sense Webster, 1913

Pyrocatechin

· Pyr·o·cat·e·chin · IPA
01 n. A white crystalline substance, C6H4(OH)2, of the phenol series, found in various plants; -- so called because first obtained by distillatio…
  1. 1.
    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.(Chem.) Also: catechol, oxyphenol