ero·sion | \i-ˈrō-zhən \

Definition of erosion 

1a : the action or process of eroding

b : the state of being eroded

2 : an instance or product of erosion

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Other Words from erosion

erosional \i-ˈrōzh-nəl, -ˈrō-zhə-nᵊl \ adjective
erosionally \i-ˈrōzh-nəl-ē, -ˈrō-zhə-nᵊl- \ adverb

Synonyms & Antonyms for erosion


attrition, corrosion, undermining, waste



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Examples of erosion in a Sentence

Landscapers planted grass to stop the erosion of the hillside. Centuries of erosion by wind have carved grooves in the rocks.

Recent Examples on the Web

But another explanation for increasing income inequality centers on the erosion of the minimum wage and the decline of unions. Susan Dynarski, New York Times, "Fresh Proof That Strong Unions Help Reduce Income Inequality," 6 July 2018 The leak appears to be the result of internal soil erosion within the dam, possibly related to a leaking draw-down pipe. Nancy Daly,, "Fish moved from lake at Big Bone Lick State Historic Site," 4 July 2018 European Union officials and international human rights groups have expressed alarm, alleging the moves represent an erosion of judicial independence that violates Western standards. Vanessa Gera, Fox News, "Poles protest the forced retirements of judges under new law," 4 July 2018 European Union officials and international human rights groups have expressed alarm, alleging the moves represent an erosion of judicial independence that violates Western standards and a reversal for democracy in Poland. Monika Scislowska, The Seattle Times, "Protests in Poland against government judicial overhaul," 3 July 2018 Associated Press Construction of the Mountain Valley Pipeline in Virginia has been halted to address soil erosion problems. — Peter Hermann, Washington Post, "Police identify victim of stabbing in SE," 30 June 2018 Eventually, in stage four, the erosion of liberal institutions leads to the death of democracy in all but name. The Economist, "Lessons from the rise of strongmen in weak states," 14 June 2018 Pointing at huge swathes of coffee trees covering the hills, painting once barren land vibrant shades of green, Dubria spoke about planting more to combat deforestation and soil erosion. Kieran Guilbert, The Christian Science Monitor, "Coffee brews peace, business between communities in the Philippines," 4 Apr. 2018 Organic farming reduces pollutants in groundwater and creates richer soil that aids plant growth while reducing erosion, according to the Organic Trade Association. Jessica Decostole, Redbook, "5 Things You Should Know About Organic Food," 29 Nov. 2017

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

1541, in the meaning defined at sense 1a

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Statistics for erosion

Last Updated

18 Oct 2018

Look-up Popularity

Time Traveler for erosion

The first known use of erosion was in 1541

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English Language Learners Definition of erosion

: the gradual destruction of something by natural forces (such as water, wind, or ice) : the process by which something is eroded or worn away


ero·sion | \i-ˈrō-zhən \

Kids Definition of erosion

: the act of wearing away or eroding : the state of being eroded


ero·sion | \i-ˈrō-zhən \

Medical Definition of erosion 

1a : the superficial destruction of a surface area of tissue (as mucous membrane) by inflammation, ulceration, or trauma erosion of the uterine cervix

b : progressive loss of the hard substance of a tooth

2 : an instance or product of erosion a circular erosion on the skin

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Comments on erosion

What made you want to look up erosion? Please tell us where you read or heard it (including the quote, if possible).


a state of commotion or excitement

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