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Webster 1913 Edition


Humin

Hu′min

,
Noun.
[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.

Definition 2024


humin

humin

English

Noun

humin (uncountable)

  1. The part of the organic matter in soil that does not dissolve in dilute alkali