1. A small porous bowl made of bone ash used in assaying to separate precious metals from e.g. lead
   - cupel, refractory pot

Derived forms: bone-ash cups

Type of: vessel

• sportswoman
• sportswriter
• sporty
• sporulate
• sporulation
• spot
• spot jam
• spot jamming
• spot market
• spot on
• spot pass
• spot price
• spot promote
• spot-check
• spot-welder
• spot-welding
• spotless
• spotlessly
• spotlessness
• spotlight
• spots
• Spotsylvania
• spotted
• spotted antbird
• spotted barramundi