Word Study
humin
WORDNET DICTIONARY
Noun humin has 1 sense
CIDE DICTIONARY
humin, n. [L. humus the earth, ground.].
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]
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