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

• declare a dividend
• declare an interest
• declared
• declaredly
• declare off
• declarer
• declarers
• declares
• declare war
• declaring
• declass
• declassed
• diminishes
• diminishing
• diminishing glass
• diminishing glasses
• diminishingly
• diminishings
• diminishment
• diminishments
• diminuendo
• diminuendoes
• diminuendos
• diminution
• diminutions