abrasion


abrasion

noun

  1. a scraped spot or area; the result of rubbing or abrading: abrasions on his leg caused by falling on the gravel.
  2. the act or process of abrading.

noun

  1. the process of scraping or wearing down by friction
  2. a scraped area or spot; graze
  3. geography the effect of mechanical erosion of rock, esp a river bed, by rock fragments scratching and scraping it; wearing downCompare attrition (def. 4), corrasion
n.

1650s, from Medieval Latin abrasionem (nominative abrasio) “a scraping,” noun of action from past participle stem of Latin abradere “to scrape away, shave off,” from ab- “off” (see ab-) + radere “to scrape” (see raze).

n.

  1. A scraping away of a portion of a surface.
  2. The wearing down or rubbing away or removal of the superficial layers of skin or mucous membrane in a limited area.
  3. The pathological wearing away of tooth substance by mechanical means; grinding.

  1. The process of wearing away a surface by friction. A rock undergoes abrasion when particles of sand or small pieces of rock are carried across its surface by a glacier, stream, or the wind.
  2. A scraped area on the skin or mucous membranes.

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