2 definitions found
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Gein \Ge"in\, n. [Gr. ? earth.] (Chem.)
See {Humin}.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
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
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Lake Atitlan, Guatemala
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