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

Derived forms: ruby spinels

Type of: spinel

• entellus
• entente
• entente cordiale
• enter
• enter into
• enter key
• enter upon
• enteral
• enteric
• enteric bacteria
• enteric fever
• enteric-coated aspirin
• enterics
• entering
• enteritis
• enterobacteria
• Enterobacteriaceae
• enterobiasis
• Enterobius
• Enterobius vermicularis
• enteroceptor
• enterokinase
• enterolith
• enterolithiasis
• Enterolobium