sed·i·ment

[n. sed-uh-muhnt; v. sed-uh-ment]
noun
1.
the matter that settles to the bottom of a liquid; lees; dregs.
2.
Geology. mineral or organic matter deposited by water, air, or ice.
verb (used with object)
3.
to deposit as sediment.
verb (used without object)
4.
to form or deposit sediment.
Origin:
1540–50; < Latin sedimentum, equivalent to sedi- (combining form of sedēre to sit1, settle) + -mentum -ment

Related forms
sed·i·men·tous, adjective
self-sed·i·ment·ed, adjective

Can be confused: sand, sediment, silt.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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Collins
World English Dictionary
sediment (ˈsɛdɪmənt) [Click for IPA pronunciation guide]
 
—n
1.  matter that settles to the bottom of a liquid
2.  material that has been deposited from water, ice, or wind
 
[C16: from Latin sedimentum a settling, from sedēre to sit]
 
sedimentous
 
—adj

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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00:10
Sediment is always a great word to know.
So is convergent plate boundary. Does it mean:
tectonic boundary where two plates are moving toward each other
rich soil containing a relatively equal mixture of sand, silt and a smaller proportion of clay
LEARN MORE UNUSUAL WORDS WITH WORD DYNAMO...
Etymonline
Word Origin & History

sediment
1547, from Fr. sédiment (16c.), from L. sedimentum "a settling, sinking down," from stem of sedere "to settle, sit" (see sedentary). As a type of rock, sedimentary is first recorded 1830 (in Lyell); sedimentation is from 1874.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

sediment sed·i·ment (sěd'ə-mənt)
n.
Insoluble material that sinks to the bottom of a liquid, as in hypostasis.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
sediment   (sěd'ə-mənt)  Pronunciation Key 

  1. Geology Solid fragmented material, such as silt, sand, gravel, chemical precipitates, and fossil fragments, that is transported and deposited by water, ice, or wind or that accumulates through chemical precipitation or secretion by organisms, and that forms layers on the Earth's surface. Sedimentary rocks consist of consolidated sediment.

  2. Chemistry

  3. Particles of solid matter that settle out of a suspension to the bottom of the liquid.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
The metal atoms stick to these minerals and drop out of the solution to form an
  inert sediment.
Sediment is solid material that is moved and deposited in a new location.
In the rim, the sediment, that stands for all the water and all the land of the
  globe.
Tongues of dark tan sediment droop into the lighter-colored layer below.
Images for sediment
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