1. An onyx characterized by parallel layers of sard and a different coloured mineral

Derived forms: sardonyxes

Type of: onyx

Encyclopedia: Sardonyx

• settler
• settling
• settlings
• settlor
• Setubal
• setup
• Seurat
• Sevastopol
• seven
• Seven Hills of Rome
• seven iron
• seven seas
• Seven Wonders of the Ancient World
• Seven Wonders of the World
• Seven Years' War
• seven-day
• seven-membered
• seven-sided
• seven-spot
• seven-up
• sevener
• sevenfold
• sevens
• sevensome
• seventeen