silex /sīˈleks/

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

• biomathematics
• biome
• biomechanical
• biomechanics
• biomedical
• biomedicine
• biomedicines
• biomes
• biometeorological
• biometeorology
• biometric
• biometrician
• biometricians
• biometrics
• biometries
• biometry
• biomimetic
• biomimetics
• biomining
• biominings
• biomolecule
• biomorph
• biomorphic
• biomorphs
• bionic