Silicified

Pronunciation: /ˈsiˈɫiˈsiˈɪfˈwaɪ/

Silicified (verb)

  1. To change a substance into silica, so it becomes stone-like and hard.
  2. To replace the original material of an organism with silica during fossil formation.

Examples

  • The hot water silicifies the rock over time.
  • Rainwater can silicify certain stones in dry regions.