buhrstone, also burrstone /bûrˈstōn/

1. A variety of quartz, containing many small empty cells, which give it a roughness of surface particularly adapted for millstones
2. A millstone made of this

• D-ring
• drink
• drinkable
• drinkableness
• drinkablenesses
• drink-drive
• drink-driven
• drink-driver
• drink-drivers
• drink-drives
• drink-driving
• drink-drove
• drinker
• drinkers
• drink-hail
• drink in
• drinking
• drinking bout
• drinking bouts
• drinking fountain
• drinking fountains
• drinking-horn
• drinking-horns
• drinkings
• drinking-up time