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

• fieldmice
• fieldmouse
• field mushroom
• field naturalist
• field naturalists
• field night
• field nights
• herbivorous
• herbivory
• herbless
• herblet
• herblets
• herb-of-grace
• herb-of-repentance
• herborisation
• herborisations
• herborise
• herborised
• herborises
• herborising
• herborist
• herborists
• herborization
• herborizations
• herborize