HUMIN
Hu"min, n. Etym: [L. humus the earth, ground.] (Chem.)

Defn: 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.

HUMIRI
Hu*mi"ri, n. Etym: [From native name.] (Bot.)

Defn: A fragrant balsam obtained from Brazilian trees of the genus
Humirium.

HUMITE
Hum"ite, n. Etym: [Named after Sir A.Hume.] (Min.)

Defn: A mineral of a transparent vitreous brown color, found in the ejected masses of Vesuvius. It is a silicate of iron and magnesia, containing fluorine.

HUMMEL
Hum"mel, v. t. Etym: [Cf. Hamble.]

Defn: To separate from the awns; — said of barley. [Scot.]

HUMMEL
Hum"mel, a.

Defn: Having no awns or no horns; as, hummelcorn; a hummel cow.
[Scot.]