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
i-ˈrōzh-nəl How to pronounce erosion (audio)
-ˈrō-zhə-nᵊl
adjective
erosionally
i-ˈrōzh-nəl-ē How to pronounce erosion (audio)
-ˈrō-zhə-nᵊl-
adverb

Example Sentences

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 Coastal erosion is a natural part of the Earth's cycle as strong waves continually crash against the shore. Daniel Manzo, ABC News, 7 Nov. 2022 But Mattoo’s harassment by Indian authorities is the latest example of what human rights organizations have called an erosion of free speech in the country. Mujib Mashal, BostonGlobe.com, 19 Oct. 2022 Buildings in the area were battered by Hurricane Ian just weeks before Nicole’s arrival, and were further threatened by coastal erosion as incoming Nicole pushed rising ocean water onshore on top of exceptionally high tides. Nouran Salahieh, CNN, 12 Nov. 2022 Most of the rest of this T. rex's remains were destroyed over time by erosion, but Sotheby's experts said the skull was a major find. CBS News, 8 Nov. 2022 Most of the rest of this T. rex's remains were destroyed over time by erosion, but Sotheby's experts said the skull was a major find. USA TODAY, 8 Nov. 2022 However, the tracks on the coastal bluffs in Del Mar also are threatened by coastal erosion. Phil Diehl, San Diego Union-Tribune, 4 Oct. 2022 But over the past century, local food production has decreased, with many farmers aging out of the profession, being priced out, or affected by severe soil erosion. al, 20 Sep. 2022 Garden of the Gods delivers yet more surreal scenery, amid soaring rock formations carved by erosion. Stephanie Vermillion, Outside Online, 14 Sep. 2022 See More

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.

Word History

First Known Use

1541, in the meaning defined at sense 1a

Time Traveler
The first known use of erosion was in 1541

Dictionary Entries Near erosion

Cite this Entry

“Erosion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/erosion. Accessed 2 Dec. 2022.

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

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