lapidify

/L AH0 P IH1 D AH0 F AY0/
verb
  1. 1

    To become stone or stony.

  2. 2

    To convert into stone or stony material; to petrify.

  3. 3

    To cause to become permanent; to solidify.

Source: https://en.wiktionary.org/wiki/lapidify