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erosion

Definition from Dictionary, a free dictionary
Man spends his life in reasoning on the past, in complaining of the present, in fearing future.
Antoine Rivarol
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See also erosión

English

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Effects of erosion.

Etymology

From [[w:Template:lang:la language|Template:lang:la]][[Category:Template:lang:la derivations]] erosio, "eating away", derived from erodere, possibly via erosionem and Middle French erosion.

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."

Pronunciation

  • (US) IPA: əˈroʊˌʒən
  • (RP) IPA: əˈrəʊˌʒən

Noun

Singular
erosion

Plural
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erosion ({{{1}}})
  1. (Template loop detected: Template:context 1) The result of having been being worn away or eroded, as by a glacier on rock or the sea on a cliff face
  2. (Template loop detected: Template:context 1) The changing of a surface by mechanical action, friction, thermal expansion or contraction, or impact.
  3. (Template loop detected: Template:context 1) Destruction by abrasive action of fluids.
  4. (mathematics, Template loop detected: Template:context 1) One of two fundamental operations in morphological image processing from which all other morphological operations are derived.
  5. (dentistry) Loss of tooth enamel due to non-bacteriogenic chemical processes.
  6. (medicine) A shallow ulceration or lesion, usually involving skin or epithelial tissue.

Derived terms

Translations

Elsewhere on the web

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