Bible Dictionaries
Betulin

Webster's Dictionary

(n.) A substance of a resinous nature, obtained from the outer bark of the common European birch (Betula alba), or from the tar prepared therefrom; - called also birch camphor.

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