bort or boart /bört/

1. Diamond fragments or dust
2. A coarse diamond or crystalline form of carbon, used industrially for cutting or as an abrasive

• pilot projects
• pilots
• pilot scheme
• pilot whale
• pilot whales
• pilous
• pilow
• Pils
• Pilsener
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• Pilsner
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• Piltdown man
• pilula
• pilular
• pilule
• pilules
• pilum
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• PIM
• piment
• pimento
• pimentos
• piments
• pi-meson