GCIDE: Defining Ulmin using "exact" search strategy.
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| Source: gcide | 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.
[1913 Webster]
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| Source: gcide | 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}.]
[1913 Webster]
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