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abrasion |
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abrasion Geography the effect of mechanical erosion of rock, esp a river bed, by rock fragments scratching and scraping it; wearing down abrasion [ə′brā·zhən] (engineering) The removal of surface material from any solid through the frictional action of another solid, a liquid, or a gas or combination thereof. A surface discontinuity brought about by roughening or scratching. (geology) Wearing away of sedimentary rock chiefly by currents of water laden with sand and other rock debris and by glaciers. (medicine) A spot denuded of skin, mucous membrane, or superficial epithelium by rubbing or scraping. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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abrasion abrasion drilling abrasion mark abrasion platform abrasion resistance abrasion test abrasion-resistance index Abrasions abrasive abrasive belt abrasive blasting abrasive cloth abrasive cone abrasive disk abrasive drilling |
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