1. A translucent red or orange variety of chalcedony
   - cornelian

Derived forms: carnelians

Type of: calcedony, chalcedony

Encyclopedia: Carnelian

• ophthalmic vein
• ophthalmitis
• ophthalmologist
• ophthalmology
• ophthalmoplegia
• ophthalmoscope
• ophthalmoscopy
• opiate
• Opiliones
• opine
• opinion
• opinion poll
• opinionated
• opinionative
• opioid
• Opisthobranchia
• Opisthocomidae
• Opisthocomus
• Opisthocomus hoazin
• Opisthognathidae
• opisthognathous
• opisthorchiasis
• opisthotonos
• opium
• opium addict