Petrifaction /(?)/

Pet·ri·fac·tion

Petrifaction

n.
  1. The process of petrifying, or changing into stone; conversion of any organic matter (animal or vegetable) into stone, or a substance of stony hardness.
  2. The state or condition of being petrified.
  3. That which is petrified; popularly, a body incrusted with stony matter; an incrustation.
  4. Fig.: Hardness; callousness; obduracy.