Source : Webster's Revised Unabridged Dictionary (1913)

Autotrophic \Au`to*troph"ic\, a. [Auto- + trophic.] (Plant
   Physiol.)
   Capable of self-nourishment; -- said of all plants in which
   photosynthetic activity takes place, as opposed to parasitism
   or saprophytism.

Source : WordNet®

autotrophic
     adj : of or relating to organisms (as green plants) that can make
           complex organic nutritive compounds from simple
           inorganic sources by photosynthesis [syn: {autophytic}]
           [ant: {heterotrophic}]