Attrition

At·tri·tion

Attrition

n.
  1. The act of rubbing together; friction; the act of wearing by friction, or by rubbing substances together; abrasion.
    Effected by attrition of the inward stomach.
  2. The state of being worn.
  3. Grief for sin arising only from fear of punishment or feelings of shame. See Contrition. (Theol.)