Definition of ulmin. Meaning of ulmin. Synonyms of ulmin
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Definition of ulmin
Ulmin Ulmin Ul"min, n. [L. ulmus an elm: cf. F. ulmine.] (Chem.)
A brown amorphous substance found in decaying vegetation. Cf.
Humin. [Formerly written ulmine.]
ulmin 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.