metamorphic

metamorphic
    adj 1: of or relating to metamorphosis (especially of rocks);
           "metamorphic stage"; "marble is a metamorphic rock that
           takes a high polish" [syn: {metamorphic}, {metamorphous}]
    2: characterized by metamorphosis or change in physical form or
       substance [ant: {nonmetamorphic}]
    

Metamorphic \Met`a*mor"phic\, a. [See {Metamorphosis}.]
   1. Subject to change; changeable; variable.
      [1913 Webster]

   2. Causing a change of structure.
      [1913 Webster]

   3. (Geol.) Pertaining to, produced by, or exhibiting, certain
      changes which minerals or rocks may have undergone since
      their original deposition; -- especially applied to the
      recrystallization which sedimentary rocks have undergone
      through the influence of heat and pressure, after which
      they are called metamorphic rocks.
      [1913 Webster]
    

48 Moby Thesaurus words for "metamorphic":
      able to adapt, adaptable, adjustable, allotropic, alterable,
      alterative, anabolic, catabolic, catalytic, changeable, checkered,
      diversiform, ever-changing, flexible, fluid, heteromorphic,
      heteromorphous, impermanent, kaleidoscopic, malleable, manifold,
      many-sided, metabolic, metamorphotic, metastatic, mobile,
      modifiable, movable, multifarious, multifold, multiform,
      multiphase, multiple, multiplex, mutable, nonuniform, permutable,
      plastic, polymorphic, polymorphous, protean, proteiform, resilient,
      rubbery, supple, transient, transitory, variable