erosion

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erosion

  • /ɪˈɹəʊʒən/ UK
  • /ɪˈɹoʊʒən/ Canada, US
  • /əˈɹoʊʒən/ Canada, US
  • /ɪˈɹəʉʒən/ Australia
  • /əˈɹɐʉʒən/ New Zealand

Where it comes from

From Middle French erosion, from Latin ērōsiō (“eating away”), derived from ērōdō.

The first known occurrence in English was in the 1541 translation by Robert Copland of Guy de Chauliac's medical text The Questyonary of Cyrurygens. Copland used erosion to describe how ulcers developed in the mouth. By 1774 erosion was used outside medical subjects. Oliver Goldsmith employed the term in the more contemporary geological context, in his book Natural History, with the quote

: "Bounds are thus put to the erosion of the earth by water."

noun erosions

  1. uncountable The result of having been worn away or eroded, as by a glacier on rock or the sea on a cliff face. Father Ted: The cliffs were gone? How could they just disappear? Dougal: Erosion.
  2. uncountable The changing of a surface by mechanical action, friction, thermal expansion contraction, or impact.
  3. figuratively, uncountable The gradual loss of something as a result of an ongoing process. the erosion of a person's trust
  4. uncountable Destruction by abrasive action of fluids.
  5. countable, uncountable One of two fundamental operations in morphological image processing from which all other morphological operations are derived.
  6. countable, uncountable Loss of tooth enamel due to non-bacteriogenic chemical processes.
  7. countable, uncountable A shallow ulceration or lesion, usually involving skin or epithelial tissue.
  8. countable, uncountable In morphology, a basic operation (denoted ⊖); see Erosion (morphology).

Thesaurus

Closest in meaning: corrosion, corroding, wearing, eating away, eroding, wearing away, soil, sedimentation, miner, drain, weathering, spalling, sodium, leakage, scour, attrition

Translations

Every language

noun the result of having being eroded

Españolerosión
한국어부식 busik
日本語浸食 shinshoku
中文磨蝕 /磨蚀 móshí, 侵蝕 /侵蚀 qīnshí
Portuguêserosão
Françaisérosion
DeutschErosion
Italianoerosione
Ελληνικάαποσάθρωση aposáthrosi
Românăeroziune
Русскийэро́зия erózija
Tiếng Việtxói mòn

noun the changing of a surface by mechanical action

Españolerosión
Portuguêserosão
Françaisérosion
DeutschErosion
Românăeroziune, erodare

noun destruction by abrasive action of fluids

Españolerosión
Portuguêserosão
Françaisérosion
DeutschErosion

noun in dentistry

DeutschErosion

noun (medicine)

Françaisérosion

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Cite this
MLA

"erosion." Wiktionary, via Micwyn, micwyn.com/word/erosion. Accessed 6 Nov. 2026.

APA

erosion. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/erosion

Chicago

"erosion." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/erosion.

BibTeX
@misc{erosion_2026,
  title = {erosion},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/erosion},
  urldate = {2026-11-06}
}