1. Relating to or containing or resembling silica
   - siliceous

See also: silica

Encyclopedia: Silicious

• pillage
• pillaged
• pillager
• pillaging
• pillar
• pillar box
• pillar of Islam
• pillar of strength
• pillar-box red
• pillar-shaped
• pillared
• Pillars of Hercules
• pillbox
• pillion
• pillock
• pillory
• pillow
• pillow block
• pillow fight
• pillow lace
• pillow lava
• pillow sham
• pillow slip
• pillow talk
• pillowcase