abradant abradant /əˈbrædənt/

noun

1. A tool or machine used for wearing down or smoothing or polishing  ( abradant , abrader )
   a tool or machine used for wearing down or smoothing or polishing
   
   
2. A substance that abrades or wears down  ( abradant , abrasive , abrasive material )
   a substance that abrades or wears down