pet·ri·fi·ca·tion /ˌpɛtrəfəˈkeʃən/
  化石;發獃
  pet·ri·fi·ca·tion /ˌpɛtrəfəˈkeʃən/ 名詞
  石化
  Pet·ri·fi·ca·tion n.
  1. See Petrifaction.
  2. Fig.: Obduracy; callousness.
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  petrification
       n : the process of turning some plant material into stone by
           infiltration with water carrying mineral particles
           without changing the original shape [syn: petrifaction]