'gein' definitions:

Definition of 'gein'

From: GCIDE
  • 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]

Definition of 'gein'

From: GCIDE
  • gein \ge"in\ (j[=e]"[i^]n), n. [Gr. gh^ earth.] (Chem.) See Humin. [1913 Webster]