abrasion

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

This is an unmodified, but possibly outdated, definition from Wiktionary and used here under the Creative Commons license. Wiktionary is a great resource. If you like it too, please donate to Wikimedia.

This entry was last updated on RefTopia from its source on 3/20/2012.