1. to convert into or impregnate with silica
Usage: geology; technical

Examples

• The ancient wood had silicified over millions of years, turning into stone.
• Minerals in the groundwater began to silicify the organic material.
• The fossilized tree trunk shows how plant matter can silicify under the right conditions.
• Hot springs often silicify nearby vegetation through mineral deposits.
• Scientists studied how certain bacteria can silicify in extreme environments.