Fossilize \Fos"sil*ize\, v. t. [imp. & p. p. {Fossilized}; p.
pr. & vb. n. {Fossilizing}.] [Cf. F. fossiliser.]
1. To convert into a fossil; to petrify; as, to fossilize
bones or wood.
[1913 Webster]
2. To cause to become antiquated, rigid, or fixed, as by
fossilization; to mummify; to deaden.
[1913 Webster]
Ten layers of birthdays on a woman's head
Are apt to fossilize her girlish mirth. --Mrs.
Browning.
[1913 Webster]