catechol: Meaning and Definition of

cat•e•chol

Pronunciation: (kat'i-kôl", -kol"), [key]
— n.
  1. a colorless, crystalline, dihydroxyl derivative of benzene, CHO, the ortho isomer, used chiefly in photography, for dyeing, and as a reagent; pyrocatechol.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.