"atrition" is probably misspelled. Trying attrition instead Definition of attrition
attrition has definitions from the fields of physics,geology
1
[ noun ] a wearing down to weaken or destroy

Examples

"a war of attrition"

2
[ noun ] sorrow for sin arising from fear of damnation
3
[ noun ] (physics) the wearing down of rock particles by friction due to water or wind or ice
4
[ noun ] (geology) erosion by friction
5
[ noun ] the act of rubbing together; wearing something down by friction
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