pyrocatechin

from The Century Dictionary.

• noun Same as pyrocatechol.

from the GNU version of the Collaborative International Dictionary of English.

• noun (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.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun obsolete, chemistry Pyrocatechol.