【化】 赤榆酸

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.