Petrifaction

noun

1. A process of fossilization in which dissolved minerals replace organic matter.
2. The state of being stunned or paralyzed with fear.
3. Conversion into stone, specifically of organic substances or parts of such: fossilization; replacement of organic matter by some mineral substance, in which process more or less of the form and structure of the organized body is preserved.
4. An organic substance converted into stone; a fossil.
5. Figuratively, a rigid or stunned condition resulting from fear, astonishment, etc.