Pet′ri‐fac″tion (?), n. [See Petrify.] 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. “Petrifaction of the soul.” Cudworth.