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

deposit, deposition, dregs, grounds, precipitate, settlings

Synonyms: Verb

lay, settle

Antonyms: Verb

raise

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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

Now Camille Thomas, a geomicrobiologist at the University of Geneva, and his colleagues have unearthed molecular fossils in Dead Sea sediments that suggest bacteria lived there as recently as 12,000 years ago. Shannon Hall, Scientific American, "The Not So Dead Sea: Traces of Ancient Bacteria Found in the Lake’s Sediments," 5 June 2019 Based on their ages, the coins should have been buried by layers of sediment. Scott Craven, azcentral, "It's a mystery: How did two ancient Spanish coins wind up near Lake Powell?," 21 Apr. 2017 In order to produce champagne's signature bubbles, the wine must undergo a second fermentation in the bottle with a dose of yeast and sugars, but the yeast would leave unappealing sediment in the bottom of the bottle and leave the wine cloudy. Lauren Hubbard, Town & Country, "You Have the Founding Mothers of Champagne to Thank for the Bubbly You Drink Today," 8 Mar. 2019 New core samples of lake sediments in the region may help answer that question and others, as Ti’s al Ghadah provides another piece of that puzzle. Kiona N. Smith, Ars Technica, "Archaeologists find 300,000-year-old stone tools in Saudi Arabia," 29 Oct. 2018 The impact of the flood was increased by the buildup of sediment in the river. Mike Snyder, Houston Chronicle, "Contract awarded for San Jacinto River dredging," 9 July 2018 Transmission issues after performing a flush are often blamed on loose particles and sediment in the transmission being spread around during the flushing process. Timothy Dahl, Popular Mechanics, "How to Maintain Your Car's Transmission and Avoid Costly Repairs," 14 June 2018 The resulting accumulation and concentration of flow and sediment in stream channels can rapidly mobilize rocks and soil. Lee Macdonald, Washington Post, "Those deadly mudslides you’ve read about? Expect worse in the future.," 20 Jan. 2018 Scientists estimate the 19-to-16-million-year-old mammal, found in sediments in Central Otago on the South Island, would have weighed just less than an ounce and a half. Gavin Mouldey, National Geographic, "Extinct Burrowing Bat Discovered, and It Was Giant," 11 Jan. 2018

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, "Yellowstone’s massive volcano could erupt more frequently than scientists thought," 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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Statistics for sediment

Last Updated

13 Jun 2019

Look-up Popularity

Time Traveler for sediment

The first known use of sediment was in 1547

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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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Comments on sediment

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