Noun Definitionattrition1.Definition: a wearing down to weaken or destroy"A war of attrition"Category: General2.Definition: erosion by frictionRelated Noun(s):abrasion, corrasion, detritionCategory: General3.Definition: the act of rubbing together; wearing something down by frictionCategory: General4.Definition: the wearing down of rock particles by friction due to water or wind or iceRelated Noun(s):abrasion, detritionCategory: General