1. Very hard mineral used as an abrasive
   - corundum

Type of: mineral

Part of: emery

• micromicron
• micromillimeter
• micromillimetre
• microminiaturise
• microminiaturize
• Micromyx
• Micromyx minutus
• micron
• Micronase
• Micronesia
• Micronesian
• Micronor
• micronutrient
• microorganism
• micropaleontology
• micropenis
• microphage
• microphallus
• microphone
• microphone boom
• family Meloidae
• family Membracidae
• family Menispermaceae
• family Menuridae
• family Menyanthaceae