abrasion

Kerry bent yet lower, staring closely at a discolored abrasion on Sir Lucien's forehead.

The average loss by abrasion of coin is estimated by Professor Bowen at one-twentieth of one per cent.

These were determinations of the annual wasting of the ice-surface, whether by evaporation, melting, or wind-abrasion.

The effect of constant abrasion upon the snow's surface is to harden it, and, finally, to carve ridges known as sastrugi.

He would espy the beauty of an old binding through any amount of abrasion and laceration.