petrify

Short definition from Wiktionary

Verb

1. 1
   To turn to stone: to harden organic matter by permeating with water and depositing dissolved minerals.
2. 2
   To produce rigidity akin to stone.
3. 3
   To immobilize with fright.
4. 4
   To become stone, or of a stony hardness, as organic matter by calcareous deposits.
5. 5
   To become stony, callous, or obdurate.
6. 6
   To make callous or obdurate; to stupefy; to paralyze; to transform; as by petrification.