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from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. the process of replacing the organic residues of plants (and animals) with insoluble salts, the original shape and topography being retained
  • n. obduracy; callousness

from the GNU version of the Collaborative International Dictionary of English

  • n. See petrifaction.
  • n. Fig.: Obduracy; callousness.

from The Century Dictionary and Cyclopedia

  • n. Same as petrifaction.
  • n. Obduracy; callousness.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. the process of turning some plant material into stone by infiltration with water carrying mineral particles without changing the original shape


From Greek πέτρα "petra" (rock). (Wiktionary)



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