anamorphism

from WordNet (r) 3.0 (2006)

anamorphism
    n 1: the evolution of one type of organism from another by a
         long series of gradual changes [syn: {anamorphosis},
         {anamorphism}]
    2: metamorphism that occurs deep under the earth's surface;
       changes simple minerals into complex minerals [ant:
       {katamorphism}]
    3: a distorted projection or perspective; especially an image
       distorted in such a way that it becomes visible only when
       viewed in a special manner [syn: {anamorphosis},
       {anamorphism}]

from The Collaborative International Dictionary of English v.0.48

Anamorphism \An`a*mor"phism\, n. [Gr. ? again + morfh` form.]
   1. A distorted image.
      [1913 Webster]

   2. (Biol.) A gradual progression from one type to another,
      generally ascending. --Huxley.
      [1913 Webster]