abrasion

abrasion definition - medical

a·bra·sion (ə-brāˈzhən)

noun
  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® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Comments
Improve this definition.
Do you have more to add? Share your linguistic knowledge or observation.
/Register to save your comments.