definition of the word abrasion

Mediaeval Latin abrasio, from abrādō; see abrade. Attested in English since 1656.

• Rhymes: -eɪʒən

abrasion (plural abrasions)

1. The act of abrading, wearing, or rubbing off; the wearing away by friction.
2. The substance thus rubbed off.
3. (medicine) A superficial excoriation, with loss of substance under the form of small shreds.
4. (geology) The effect of mechanical erosion of rock, especially a river bed, by rock fragments scratching and scraping it.

• abrade

Definition from Wiktionary Content avaible with GNU Free Documentation License

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