trans·mu·ta·tion /ˌtræn(t)smjʊˈteʃən, ˌtrænz-/
  變形,變化
  Trans·mu·ta·tion n.
  1. The act of transmuting, or the state of being transmuted; as, the transmutation of metals.
  2. Geom. The change or reduction of one figure or body into another of the same area or solidity, but of a different form, as of a triangle into a square. [R.]
  3. Biol. The change of one species into another, which is assumed to take place in any development theory of life; transformism.
  Transmutation of metals Alchem., the conversion of base metals into gold or silver, a process often attempted by the alchemists. See Alchemy, and Philosopher's stone, under Philosopher.
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  transmutation
       n 1: an act that changes the form or character or substance of
            something [syn: transubstantiation]
       2: a qualitative change [syn: transformation, shift]
       3: (physics) the change of one chemical element into another
          (as by nuclear decay or radioactive bombardment); "the
          transmutation of base metals into gold proved to be
          impossible"