1. A spinel used as a gemstone (usually dark red)
   - spinel ruby

Derived forms: ruby spinels

Type of: spinel

• blowhole
• blowie
• blowing
• blowing gas
• blowing up
• blowjob
• blowlamp
• blown
• blown-up
• blowout
• blowpipe
• blowsy
• blowtorch
• blowtube
• blowup
• blowy
• blowzy
• BLT
• BLU-82
• Blu-ray
• Blu-ray disc
• blub
• blubber
• blubber out
• blubberer