sed·​i·​men·​ta·​tion | \ ˌse-də-mən-ˈtā-shən How to pronounce sedimentation (audio) , -ˌmen-\

Definition of sedimentation

: the action or process of forming or depositing sediment : settling

Examples of sedimentation in a Sentence

Recent Examples on the Web

The tiny, soft-bodied organisms known as coral, which form reefs mostly found in shallow tropical waters, are threatened by pollution, sedimentation, and global warming. Paul Chesley, National Geographic, "Our oceans are under attack by climate change, overfishing," 21 Mar. 2019 Rome makes concrete our sense of a deeply layered past, but not one formed by gentle sedimentation. Greg Woolf, WSJ, "‘Rome: A History in Seven Sackings’ Review: The City That Survived," 29 June 2018 Left to its own devices, the sedimentation would have been one of the factors driving the Mississippi flow into the Atchafalaya, before the corps locked in the 70-30 split. Littice Bacon-blood,, "St. John Parish oil spill remains under investigation," 12 Feb. 2018 This young patient’s blood work showed his sedimentation rate (a measure of inflammation in the body) was six times more than normal, and his white blood cell count was elevated, a common sign of infection. Daniel R. Taylor,, "Medical mystery: The toddler who walked like an old man," 13 Apr. 2018 This shows how farmers can be good neighbors through control of sedimentation through the timing of water usage and capture. Special To,, "'Retention pond on steroids' wins construction award," 11 Feb. 2018 Besides plastics, coral ecosystems are under threat from climate change, overfishing, and sedimentation. Joseph Hincks, Time, "Billions of Plastic Pieces are Infecting Coral Reefs with Diseases, Study Shows," 26 Jan. 2018 This means the resultant effects are often limited to degraded water quality, loss of aquatic habitat and excess reservoir sedimentation. Lee Macdonald, Washington Post, "Those deadly mudslides you’ve read about? Expect worse in the future.," 20 Jan. 2018 Briggler says sedimentation caused by runoff from plows and other human activity is probably one part of it. Jackson Landers, Smithsonian, "What the Heck Is a Hellbender—And How Can We Make More of Them?," 1 June 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'sedimentation.' 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 sedimentation

1848, in the meaning defined above

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Last Updated

17 Jun 2019

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The first known use of sedimentation was in 1848

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English Language Learners Definition of sedimentation

technical : the natural process in which material (such as stones and sand) is carried to the bottom of a body of water and forms a solid layer


sed·​i·​men·​ta·​tion | \ ˌsed-ə-(ˌ)men-ˈtā-shən How to pronounce sedimentation (audio) \

Medical Definition of sedimentation

1 : the action or process of depositing sediment
2 : the depositing especially by mechanical means of matter suspended in a liquid

More from Merriam-Webster on sedimentation

Rhyming Dictionary: Words that rhyme with sedimentation Encyclopedia article about sedimentation

Comments on sedimentation

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to form ideas or theories about something

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