Definition of "petrifactive"
Pertaining to, or characterized by, petrifaction.
Quotations
Hereof in ſubterraneous cavities, and under the earth there are many [objects resembling unicorns' horns] to be found in ſeverall parts of Germany; which are but the Lapideſcencies and petrifactive mutations of hard bodies; [...]
1650, Thomas Browne, “Of Unicorns Horn”, in Pseudodoxia Epidemica: […], 2nd edition, London: […] A[braham] Miller, for Edw[ard] Dod and Nath[aniel] Ekins, […], 3rd book, page 137