a. [ Gr. 'a`llos other + trophic. ] (a) (Physiol.) Changed or modified in nutritive power by the process of digestion. (b) (Plant Physiol.) Dependent upon other organisms for nutrition; heterotrophic; -- said of plants unable to perform photosynthesis, as all saprophytes; -- opposed to autotrophic. [ Webster 1913 Suppl. ]

{ } a. [ Cf. F. allotropique. ] Of or pertaining to allotropism. -- Al`lo*trop"ic*al*ly, adv. [1913 Webster]

Allotropic state, the several conditions which occur in a case of allotropism. [1913 Webster]

n. Allotropic property or nature. [ 1913 Webster ]