Bible Dictionaries
Pyrocatechin

Webster's Dictionary

(n.) 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.

Bibliography Information
Webster, Noah. Entry for 'Pyrocatechin'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​p/pyrocatechin.html. 1828.