noun 1. A scraping away of a portion of a surface. attrition, corrasion, detrition

2.The wearing down or rubbing away or removal of the superficial layers of skin or mucous membrane in a limited area. Synonyms: scratch, scrape, excoriation

3. The pathological wearing away of tooth substance by mechanical means; grinding, attrition, detrition

Beyond the meaning

In dermatology, an abrasion is superficial damage to the skin, generally not deeper than the epidermis. It is more superficial than an excoriation, although it can give mild bleeding. Mild abrasions do not scar, but deep abrasions may lead to the development of scarring tissue. Most commonly, abrasion injuries occur when exposed skin comes into moving contact with a rough surface causing trauma to the upper layers of the epidermis.

Such injuries, where caused by abrasive contact with textiles or carpet, are sometimes referred to as 'rug burn' or 'carpet burn'.

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