dermabrasion /dur′məbrā″zhən/ [Gk, derma, skin; L, abradere, to scrape] , a treatment for the removal of superficial scars on the skin by the use of revolving wire brushes or sandpaper. An aerosol spray is used to freeze the skin for this procedure. Dermabrasion is performed to reduce facial scars of severe acne. Compare microdermabrasion.