isomorphism Meaning, Definition & Usage

  1. noun (biology) similarity or identity of form or shape or structure
    isomorphy.

WordNet

I`so*mor"phism noun
Etymology
Cf. F. isomorphisme.
Definitions
  1. (Crystallog.) A similarity of crystalline form between substances of similar composition, as between the sulphates of barium (BaSO4) and strontium (SrSO4). It is sometimes extended to include similarity of form between substances of unlike composition, which is more properly called homoeomorphism. (math): see isomorphic

Webster 1913