spalled

Verb

spall (third-person singular simple present spalls, present participle spalling, simple past and past participle spalled)

1. (ambitransitive) To break into fragments or small pieces.
   • Cobbed Ore is the ſpalled which is broke out of the ſolid large ſtones with ſledges1778, William Pryce, Mineralogia Cornubiensis: A Treatise on Minerals, Mines, and Mining […]
2. (especially) To undergo weathering, aging, or other wear that involves the crumbling of the substrate.
   • When the bearing race spalled under high load, it led to the failure of the bearing.
3. (transitive) To reduce, as irregular blocks of stone, to an approximately level surface by hammering.

See all 7 meanings of spall