What is "geic acid"

geic \ge"ic\ (j[=e]"[i^]k), a. [Gr. gh^ earth.] (Chem.) Pertaining to, or derived from, earthy or vegetable mold.

geic acid. (Chem.) See 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.

n. (context chemistry English) humin