1. Very hard mineral used as an abrasive
   - corundum

Type of: mineral

Part of: emery

• acquisitive
• acquisitively
• acquisitiveness
• acquit
• acquittal
• acquittance
• acquitted
• Acragas
• Acrasiomycetes
• acre
• acre inch
• acre-foot
• acreage
• acred
• acres
• acrid
• acridid
• Acrididae
• acridity
• acridly
• acridness
• Acridotheres
• Acridotheres tristis
• Acrilan
• acrimonious