\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.