erosion

noun

ero·​sion i-ˈrō-zhən How to pronounce erosion (audio)
1
a
: the action or process of eroding
b
: the state of being eroded
2
: an instance or product of erosion
erosional adjective
erosionally adverb

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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
But to critics, these bureaucratic changes were a slippery slope to doctrinal erosion. Liam Adams, USA Today, 23 Apr. 2025 Punishing failure also leads to an erosion of trust and creativity. Glenn Llopis, Forbes.com, 19 Apr. 2025 Given all the erosion in the pay-TV space, even a Devils-Kings Final is likely to come up short of last year’s numbers. Anthony Crupi, Sportico.com, 18 Apr. 2025 Researchers voiced deep concern about the erosion of academic freedom and scientific integrity. Angel Algarin, Scientific American, 17 Apr. 2025 See All Example Sentences for erosion

Word History

First Known Use

1541, in the meaning defined at sense 1a

Time Traveler
The first known use of erosion was in 1541

Browse Nearby Words

Cite this Entry

“Erosion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/erosion. Accessed 2 May. 2025.

Kids Definition

erosion

noun
ero·​sion i-ˈrō-zhən How to pronounce erosion (audio)
: the action or process of eroding : the state of being eroded
erosional
-ˈrōzh-nəl How to pronounce erosion (audio)
-ˈrō-zhən-ᵊl
adjective

Medical Definition

erosion

noun
ero·​sion i-ˈrō-zhən How to pronounce erosion (audio)
1
a
: 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

More from Merriam-Webster on erosion

Last Updated: - Updated example sentences
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