1. Thae act or process of combining or impregnating with silicon or silica; the state of being so combined or impregnated
   "silicification of wood"

Derived forms: silicifications

• pyorrhea alveolaris
• pyorrhoea
• Pyotr Alexeyevich Kropotkin
• Pyotr Ilych Tchaikovsky
• Pyotr Tchaikovsky
• pyracanth
• Pyracantha
• pyralid
• pyralid moth
• Pyralidae
• Pyralididae
• Pyralis
• pyramid
• pyramid bugle
• pyramid plant
• pyramid scheme
• pyramidal
• pyramidal bone
• pyramidal motor system
• pyramidal tent
• pyramidal tract
• pyramidic
• pyramidical
• pyramidically
• pyramiding