Bible Dictionaries
Humin

Webster's Dictionary

(n.) A bitter, brownish yellow, amorphous substance, extracted from vegetable mold, and also produced by the action of acids on certain sugars and carbohydrates; - called also humic acid, ulmin, gein, ulmic or geic acid, etc.

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