attrition
名词 attrition:
erosion by friction
同义词:abrasion, corrasion, detrition
the wearing down of rock particles by friction due to water or wind or ice
同义词:grinding, abrasion, detrition
sorrow for sin arising from fear of damnation
同义词:contrition, contriteness
a wearing down to weaken or destroy
the act of rubbing together; wearing something down by friction