#1 attrition n. [abrasion, corrasion, detrition] erosion by friction. wn
#2 attrition n. [grinding, abrasion, detrition] the wearing down of rock particles by friction due to water or wind or ice. wn
#3 attrition n. [contrition, contriteness] sorrow for sin arising from fear of damnation. wn
#4 attrition n. a wearing down to weaken or destroy; "a war of attrition". wn
#5 attrition n. the act of rubbing together; wearing something down by friction. wn
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