noun
the process of turning organic material into stone or a stony substance
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The process of petrification can take thousands of years to occur in certain types of wood.
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I couldn't believe my eyes when I saw the petrification of that tree stump in the forest.
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Dude, that movie was so boring, I felt like I was in a state of petrification the whole time.
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The petrification of her emotions after the breakup was evident in her distant demeanor.