Hypertext Webster Gateway: "Humus"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Humus \Hu"mus\, n. [L., the earth, ground, soil.]
That portion of the soil formed by the decomposition of
animal or vegetable matter. It is a valuable constituent of
soils. --Graham.
From WordNet (r) 1.7 (wn)
humus
n : partially decomposed organic matter; the organic component
of soil
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