Heterologous

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Heterologous \Het`er*ol"o*gous\, a. [Hetero- + Gr. ?
     proportion.]
     Characterized by heterology; consisting of different
     elements, or of like elements in different proportions;
     different; -- opposed to homologous; as, heterologous organs.
     [1913 Webster]


  
     {Heterologous stimulus}. (Physiol.) See under {Stimulus}.
  
     {Heterologous tumor} (Med.), a tumor differing in structure
        from the normal tissues of the body.
        [1913 Webster]

From WordNet (r) 2.0 [wn]:

  heterologous
       adj 1: not corresponding in structure or evolutionary origin [syn:
              {heterologic}, {heterological}] [ant: {analogous}, {homologous}]
       2: derived from organisms of a different but related species;
          "a heterologous graft" [ant: {autologous}, {homologous}]