'pyrocatechol' definitions:

Definition of 'pyrocatechol'

From: GCIDE
  • catechol \cat"e*chol\ (k[a^]t"[e^]*k[add]l`), n. [.] any of a group of chemicals having a benzene ring substituted with two hydroxyl groups in ortho position, especially ortho-dihydroxybenzene itself (C6H6O2), also called pyrocatechol, used in photography and as a reagent. [PJC]