abrasion

Medical Dictionary

abrasion a·bra·sion (ə-brā'zhən)
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.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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