sediment

noun
sed·​i·​ment | \ ˈse-də-mənt How to pronounce sediment (audio) \

Definition of sediment

 (Entry 1 of 2)

1 : the matter that settles to the bottom of a liquid
2 : material deposited by water, wind, or glaciers

sediment

verb
sed·​i·​ment | \ ˈse-də-ˌment How to pronounce sediment (audio) \
sedimented; sedimenting; sediments

Definition of sediment (Entry 2 of 2)

transitive verb

: to deposit as sediment

intransitive verb

1 : to settle to the bottom in a liquid
2 : to deposit sediment

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Synonyms & Antonyms for sediment

Synonyms: Noun

Synonyms: Verb

Antonyms: Verb

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Examples of sediment in a Sentence

Noun There was a layer of sediment in the bottom of the tank. the sediment at the bottom of the river needs to be routinely dredged so that it doesn't interfere with barge traffic Verb the water flowing into the reservoir is sedimenting silt faster than was originally expected
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Recent Examples on the Web: Noun The sprawling wetlands that once surrounded Upper Klamath Lake and its tributaries acted as a filter, with plants arresting this sediment and growing luxuriantly in its waylaid nutrients. Emma Marris, The Atlantic, 5 June 2021 The plankton that live at the surface die and sink to the sediment below, layer after layer. John Schwartz, New York Times, 4 June 2021 When the lake sediment under Mexico City was still wet, its component particles of clay were arranged in a disorganized manner. Matt Simon, Wired, 17 May 2021 As the scientists examine more rocks and sediment, Perseverance will collect and cache samples for further study. Julia Musto, Fox News, 13 May 2021 The foundation would end up enlisting University of Maryland researchers to test sediment found floating in the creek for various pollutants. Christine Condon, baltimoresun.com, 25 May 2021 This is a type of minerology in which a tiny sliver of Nevada is uniquely rich, and this sediment contains a potentially enormous lithium resource for the U.S. David Blackmon, Forbes, 25 May 2021 The park’s two lakes, previously clogged with algae and sediment, are now a clear blue. Los Angeles Times, 20 May 2021 If these highways for water become impaired with grass clippings, sediment, or algae, neighborhoods and homes are likely to flood. Stuart Fischer, sun-sentinel.com, 20 May 2021 Recent Examples on the Web: Verb The cores, presented here today at the annual meeting of the Geological Society of America, were captured at the farthest extent of the ash’s reach, recorded as wisps of tephra in finely sedimented, ancient mud uplifted near the ocean floor. Paul Voosen, Science | AAAS, 25 Oct. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'sediment.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of sediment

Noun

1547, in the meaning defined at sense 1

Verb

1859, in the meaning defined at transitive sense

History and Etymology for sediment

Noun

Latin sedimentum settling, from sedēre to sit, sink down

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Learn More About sediment

Time Traveler for sediment

Time Traveler

The first known use of sediment was in 1547

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Statistics for sediment

Last Updated

9 Jun 2021

Cite this Entry

“Sediment.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sediment. Accessed 20 Jun. 2021.

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More Definitions for sediment

sediment

noun

English Language Learners Definition of sediment

: material that sinks to the bottom of a liquid
: material (such as stones and sand) that is carried into water by water, wind, etc.

sediment

noun
sed·​i·​ment | \ ˈse-də-mənt How to pronounce sediment (audio) \

Kids Definition of sediment

1 : the material from a liquid that settles to the bottom
2 : material (as stones and sand) carried onto land or into water by water, wind, or a glacier

sediment

noun
sed·​i·​ment | \ ˈsed-ə-mənt How to pronounce sediment (audio) \

Medical Definition of sediment

 (Entry 1 of 2)

: the matter that settles to the bottom of a liquid

sediment

transitive verb
sed·​i·​ment | \ -ˌment How to pronounce sediment (audio) \

Medical Definition of sediment (Entry 2 of 2)

: to deposit as sediment the synaptosomes were sedimented by centrifugation

intransitive verb

1 : to settle to the bottom in a liquid let the red blood cells sediment for 30 minutes
2 : to deposit sediment

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