Found 2 items, similar to humin.
English → English (WordNet) Definition: humin humin n : a black humic substance that is not soluble in water
English → English (gcide) Definition: Humin Humin \Hu"min\, n. [L. humus the earth, ground.] (Chem.) 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. [1913 Webster]