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 Heavy sedimentation — or ash deposition — can lead to costly increases in drinking water treatment. Brandon Loomis, The Arizona Republic, 22 Feb. 2022 The group will look at several possible solutions, including setting up a watershed management authority that would work to reduce sedimentation flow into the lake. From Usa Today Network And Wire Reports, USA TODAY, 2 Dec. 2021 Part of the flood-mitigation plan includes the preliminary step of removing log jams and assessing sedimentation issues throughout the creek, to help improve flow and alleviate back-up and street flooding. Niraj Warikoo, Detroit Free Press, 31 Oct. 2021 Rachel Gauza, the biological monitoring program coordinator for the Montgomery Parks agency, said sedimentation and erosion from land development and excess storm water can cause declines in water quality and habitat. Washington Post, 20 Aug. 2021 Alabama’s six freshwater mussels were lost due to dam construction and the degradation of river habitat from sedimentation and other pollution. Dennis Pillion |, al, 29 Sep. 2021 The Florida Department of Transportation, which is overseeing the 21-mile, $2.4 billion construction of I-4 through Seminole and Orange counties, has denied that the highway project is the cause of the sedimentation. Martin E. Comas,, 11 Aug. 2021 Known as the Mountain Valley Pipeline, the project has faced various legal challenges from environmental groups because construction has led to violations of regulations meant to control erosion and sedimentation. From Usa Today Network And Wire Reports, USA TODAY, 9 Aug. 2021 Global warming and sedimentation of the river beds are mostly responsible for this country’s yearly disaster. Cecilia Rodriguez, Forbes, 6 May 2021 See More

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.

First Known Use of sedimentation

1848, in the meaning defined above

Learn More About sedimentation

Time Traveler for sedimentation

Time Traveler

The first known use of sedimentation was in 1848

See more words from the same year

Dictionary Entries Near sedimentation




See More Nearby Entries 

Statistics for sedimentation

Cite this Entry

“Sedimentation.” Dictionary, Merriam-Webster, Accessed 27 May. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More Definitions for sedimentation


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 Encyclopedia article about sedimentation


Test Your Vocabulary

Great Words for Scrabble

  • scrabble tiles that read scrabble quiz
  • Which of the following Q-without-U words means the number five in cards or dice?
Spell It

Can you spell these 10 commonly misspelled words?

Universal Daily Crossword

A daily challenge for crossword fanatics.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!