petrifaction
n. கல்லாகுதல், கல்லாக மாறிய பொருள், கல்லாக மாறிய பொருளின் திரள், கல்வடிவாகக் கிடைத்த புதைபடிவம்.
Pet`ri*fac"tion, n. Etym: [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.