DICT.TW Dictionary Taiwan

 meta·mor·phism /-ˈmɔrˌfɪzəm/
 變態,變形,變質

 Met·a·mor·phism n. Geol. The state or quality of being metamorphic; the process by which the material of rock masses has been more or less recrystallized by heat, pressure, etc., as in the change of sedimentary limestone to marble.
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 metamorphism
      n : change in the structure of rock by natural agencies such as
          pressure or heat of introduction of new chemical
          substances