1. Very hard mineral used as an abrasive
   - corundum

Type of: mineral

Part of: emery

• chain lightning
• chain mail
• chain of mountains
• chain pickerel
• chain pike
• chain printer
• chain reaction
• chain reactor
• chain stitch
• chain store
• chain tongs
• chain up
• chain wrench
• chain-smoke
• chain-smoker
• chained
• chainlike
• chainlink fence
• Arauca
• araucaria
• Araucaria araucana
• Araucaria bidwillii
• Araucaria columnaris
• Araucaria cunninghamii
• Araucaria excelsa