noun : ATTRITION
Source: WordNet 3.1
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1. (
) erosion by friction ;
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2. (
) the wearing down of rock particles by friction due to water or wind or ice ;
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3. (
) sorrow for sin arising from fear of damnation ;
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4. (
) a wearing down to weaken or destroy; "a war of attrition" ;
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5. (
) the act of rubbing together; wearing something down by friction ;
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