compost

[kom-pohst]
noun
1.
a mixture of various decaying organic substances, as dead leaves or manure, used for fertilizing soil.
2.
a composition; compound.
verb (used with object)
3.
to use in compost; make compost of: to compost manure and kitchen scraps.
4.
to apply compost to (soil).
verb (used without object)
5.
to make compost: Shredded leaves will compost easily.

Origin:
1350–1400; Middle English < Anglo-French, Middle French < Latin compositum, noun use of neuter of compositus composite; cf. compote

compostable, adjective
composter, noun
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
compost (ˈkɒmpɒst)
 
n
1.  a mixture of organic residues such as decomposed vegetation, manure, etc, used as a fertilizer
2.  a mixture, normally of plant remains, peat, charcoal, etc, in which plants are grown, esp in pots
3.  rare a compound or mixture
 
vb
4.  to make (vegetable matter) into compost
5.  to fertilize with compost
 
[C14: from Old French compost, from Latin compositus put together; see composite]

Collins English Dictionary - Complete & Unabridged 10th Edition
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Etymonline
Word Origin & History

compost
late 14c., from M.Fr. composte "mixture of leaves, etc., for fertilizing land," also "condiment," from V.L. *composita, from L. compositus (see composite).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Science Dictionary
compost   (kŏm'pōst')  Pronunciation Key 
A mixture of decayed or decaying organic matter used to fertilize soil. Compost is usually made by gathering plant material, such as leaves, grass clippings, and vegetable peels, into a pile or bin and letting it decompose as a result of the action of aerobic bacteria, fungi, and other organisms.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
Organic materials naturally decompose and turn into compost.
Gardeners and other environmentally conscious people will add the leaves to a
  compost pile to become a natural fertilizer.
The use of compost made with treated sewage sludge is not permitted in organic
  farming.
We treat it and use the fertilizer to maintain the compost site.
Images for compost
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