A biologically important organic phenol occurring naturally in lignins and resins. It has two hydroxyl groups attached to a benzene ring. Catechol is very caustic and is used in dyeing and as a photographic developer and an antiseptic. Chemical formula: C6H6O2.
Origin of catechol
- catech(u) –ol
From American Heritage Dictionary of the English Language, 5th Edition
- From catech(u) + -ol.