silex /sīˈleks/

1. Silica or quartz
2. A heat-resistant and shock-resistant glass formed of fused quartz

• gybe
• gybed
• gybe mark
• gybe marks
• gybes
• gybing
• gyeld
• gylden
• gym
• gymbal
• gymkhana
• gymkhanas
• gymmal
• gymn-
• gymnasia
• gymnasial
• gymnasiarch
• gymnasiarchs
• gymnasiast
• gymnasiasts
• gymnasic
• gymnasien
• gymnasium
• gymnasiums
• gymnast