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Definition of: petrifaction
(pet′rə·fak′shən) noun
1. Partial or entire replacement of the material of an organism by mineral matter: also pe·tres′cence, pe·tres′cen·cy.
2. Anything petrified. Also pet′ri·fi·ca′tion. [<PETRIFY, on analogy with satisfaction, stupefaction, etc.]
—pet′ri·fac′tive adjective
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