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| abrasion [ ə bráy'n ] (plural abrasions) |
noun |
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| Definition: |
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1. wearing away: the process of wearing away by friction
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2. dermatology scraped area of skin: an area on the skin, or some other surface of the body, that has been damaged by scraping or rubbing
 dental abrasion
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3. geography wearing away of rock: the erosion of bedrock by continuous friction caused by rock fragments in water, wind, or ice
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| [Mid-17th century. < Latin abrasion-< abras- (see abrasive)] |
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