Abrasion
Pronunciation
- US IPA: /əˈbɹeɪ.ʒn̩/
- Rhymes: -eɪʒən
Origin
First attested in 1656. From French abrasion (attested since 1611), from Medieval Latin abrasio ("a scraping"), from abrÄdÅ ("scrape off"). See also abrade.
Full definition of abrasion
Noun
abrasion
(plural abrasions)- The act of abrading, wearing, or rubbing off; the wearing away by friction. First attested in the mid 17th century.
- (obsolete) The substance thus rubbed off; debris. First attested in the mid 18th century.
- (geology) The effect of mechanical erosion of rock, especially a river bed, by rock fragments scratching and scraping it. First attested in the mid 19th century.
- An abraded, scraped, or worn area. First attested in the mid 20th century.
- (medicine) A superficial wound caused by scraping; an area of skin where the cells on the surface have been scraped or worn away. First attested in the mid 20th century.
- (dentistry) The wearing away of the surface of the tooth by chewing.