pet·ri·fac·tion 
(pĕt′rə-făkshən) also pet·ri·fi·ca·tion (-fĭ-kāshən)
(pĕt′rə-făkshən) also pet·ri·fi·ca·tion (-fĭ-kāshən)n.
1. A process of fossilization in which dissolved minerals replace organic matter.
2. The state of being stunned or paralyzed with fear.