lapidification
noun
la·pid·i·fi·ca·tion
ləˌpidəfə̇ˈkāshən
plural -s
: the act or process of lapidifying : fossilization, petrifaction
Word History
Etymology
probably from (assumed) New Latin lapidification-, lapidificatio, from Medieval Latin lapidificatus (past participle of lapidificare) + Latin -ion-, -io -ion