Also found in: Medical, Encyclopedia, Wikipedia.
|n.||1.||(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.|
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.