ero·​sion | \ i-ˈrō-zhən How to pronounce erosion (audio) \

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 How to pronounce erosional (audio) , -​ˈrō-​zhə-​nᵊl \ adjective
erosionally \ i-​ˈrōzh-​nəl-​ē How to pronounce erosionally (audio) , -​ˈrō-​zhə-​nᵊl-​ \ adverb

Synonyms & Antonyms for erosion



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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 At Buffalo Mountain Natural Area Preserve in Floyd County, heavy trail use and hikers going off the trail have caused erosion and had an adverse affect on fragile, rare plants. USA TODAY, "Mayflower II, Space Camp saved, Oglala Sioux Tribe: News from around our 50 states," 7 Aug. 2020 Thanks to erosion, sarsen boulders are now scattered in clumps all over southern England. Kiona N. Smith, Ars Technica, "Archaeologists find the source of Stonehenge sarsen stones," 30 July 2020 The 475 personnel working on the wildfire plan to focus on suppression repair, or bringing those fire lines into a more natural condition that limits erosion. Emily Wilder, The Arizona Republic, "New Polles Fire near Payson 0% contained; Bighorn Fire 'pretty much out'," 7 July 2020 So the water should now begin to drop, offering some relief from erosion and revealing a little more beach. Laura Johnston, cleveland, "Great Lakes get some relief from high water, as Lake Erie level drops below record," 6 July 2020 Intense summer storms can cause permafrost degradation and worsen coastal erosion. Washington Post, "Rapid Arctic meltdown in Siberia alarms scientists," 3 July 2020 With monsoon approaching, their priority will be to develop a plan that addresses erosion. Erin Stone, azcentral, "As Bush Fire becomes one of largest in Arizona history, water and wildlife at risk," 22 June 2020 Often agricultural research focuses solely on crop yields or the impact of individual conservation practices, such as adopting no-till planting or planting cover crops to protect soil from erosion. David R. Montgomery, The Conversation, "It’s time to rethink the disrupted US food system from the ground up," 5 June 2020 During Snowball Earth, the world would have been covered by glaciers and subject to continuous glacial erosion. Caroline Delbert, Popular Mechanics, "So, Uh, Where Did a Billion Years of the Geologic Record Go?," 28 May 2020

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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Time Traveler for erosion

Time Traveler

The first known use of erosion was in 1541

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Statistics for erosion

Last Updated

10 Aug 2020

Cite this Entry

“Erosion.” Dictionary, Merriam-Webster, Accessed 11 Aug. 2020.

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More Definitions for erosion


How to pronounce erosion (audio)

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 How to pronounce erosion (audio) \

Kids Definition of erosion

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


ero·​sion | \ i-ˈrō-zhən How to pronounce erosion (audio) \

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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