Fossilize v. t. (past & past part. fossilized; pres. part. fossilizing)
1.
To convert into a fossil; to petrify; as, to fossilize bones or wood.
2.
To cause to become antiquated, rigid, or fixed, as by fossilization; to mummify; to deaden. "Ten layers of birthdays on a woman's head Are apt to fossilize her girlish mirth."