1. (v. t.) To convert into stone or stony substance\.

2. (v. t.) To make callous or obdurate; to stupefy; to paralyze; to transform; as by petrifaction; as, to petrify the heart. Young.

3. (v. i.) To become stone, or of a stony hardness, as organic matter by calcareous deposits.

4. (v. i.) Fig.: To become stony, callous, or obdurate.

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