verb (used with object), verb (used without object), abraded, abrading.
to wear off or down by scraping or rubbing.
to scrape off.

1670–80; < Latin abrādere, equivalent to ab- ab- + rādere to scrape

abradable, adjective
abrader, noun
unabraded, adjective
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World English Dictionary
abrade (əˈbreɪd)
(tr) to scrape away or wear down by friction; erode
[C17: from Latin abrādere to scrape away, from ab-1 + rādere to scrape]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin & History

1670s, from L. abradere "to scrape off" (see abrasion).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

abrade a·brade (ə-brād')
v. a·brad·ed, a·brad·ing, a·brades

  1. To wear away by mechanical action.

  2. To scrape away the surface layer from a part.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Example sentences
He hid bits of sandpaper in his wallet so that in a pinch, he could abrade his fingerprints.
As streams constantly abrade rocks in their paths, boulders or outcrops tend to be fresher.
It is important not to abrade the skin during washing or rinsing.
Internal wiring can abrade on metal parts, presenting a risk of electric shock
  to consumers if the insulation wears through.
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