attrition

Meanings

Noun

• erosion by friction
• the wearing down of rock particles by friction due to water or wind or ice
• sorrow for sin arising from fear of damnation
• a wearing down to weaken or destroy
  • "a war of attrition"
• the act of rubbing together; wearing something down by friction

Synonyms

abrasion, contriteness, contrition, corrasion, detrition, grinding