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 Destruction of the environment by mining operations includes indiscriminate vegetation loss, degradation of farmland, and river sedimentation, and is mainly a result of inappropriate mining practices. Alan Taylor, The Atlantic, "Winners of the 2021 World Press Photo Contest," 15 Apr. 2021 The remaining wine is set to undergo months of chemical testing, wherein researchers will explore how aging in space affects the sedimentation and bubbles of the aging process. Cailey Rizzo, Travel + Leisure, "This Wine Just Spent a Year in Orbiting Earth — Here's How It Tastes," 1 Apr. 2021 Commissioners were told that to tap into the water supply the lake would have to temporarily be drained due to years of sedimentation and loss of water volume. Yasmine Askari,, "Piney Run regulars express concern over lake being drained and possible long-term effects," 10 Mar. 2021 Destruction of the environment by mining operations includes indiscriminate vegetation loss, degradation of farmland, and river sedimentation and is mainly a result of inappropriate mining practices. Cecilia Rodriguez, Forbes, "World Press Photo 2021: 22 Outstanding Images Nominees For Photo Of The Year," 10 Mar. 2021 Though sedimentation had occurred to the dam, resulting in a loss of water volume, Heyn said that additional water can be put into the reservoir to restore the volume for water supply purposes. Yasmine Askari,, "‘It’s imperative that we address this issue’: Study finds weaknesses in Piney Run Dam," 1 Mar. 2021 The sedimentation basins west of MacArthur weren’t built until much later. Washington Post, "Streetcar from Georgetown to Glen Echo was area’s most memorable ride," 6 Feb. 2021 Helmer views wild nature through a characteristically Dutch lens of free-flowing rivers, sedimentation, and floods. Christopher Preston, The Atlantic, "Conservationists No Longer Agree on What ‘Wild’ Means," 9 Apr. 2020 Boat anchors, sedimentation, pollution and devastating storms in the area have destroyed the animal’s habitat. Jason Daley, Smithsonian, "Undersea ‘Hotels’ Deployed to Help Sydney’s Endangered Seahorses," 16 Dec. 2019

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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The first known use of sedimentation was in 1848

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Statistics for sedimentation

Last Updated

26 Apr 2021

Cite this Entry

“Sedimentation.” Dictionary, Merriam-Webster, Accessed 12 May. 2021.

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More Definitions for sedimentation



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

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