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

Derived forms: ruby spinels

Type of: spinel

• serranid
• serranid fish
• Serranidae
• Serranus
• Serranus subligarius
• Serrasalmus
• serrate
• serrate leaf
• serrated
• serrated wrack
• Serratia
• Serratia marcescens
• serration
• Serratula
• Serratula tinctoria
• serratus
• serratus anterior
• serratus magnus
• serratus muscles
• serratus posterior
• serratus posterior inferior
• serratus posterior superior
• serried
• serrulate
• serry