FOSSILIZE

Fos″sil‐ize (?), v. t. [imp. & p. p. Fossilized (?); p. pr. & vb. n. Fossilizing (?).] [[Cf. F. fossiliser.]] 1. 1. To convert into a fossil; to petrify; as, to fossilize bones or wood.
2. 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. Mrs. Browning.