DICT.TW Dictionary Taiwan

 heterology
 異體構造

 het·er·ol·o·gy /-ˈrɑləʤɪ/ 名詞
 異種性,異質性,異系性

 Het·er·ol·o·gy n.
 1. Biol. The absence of correspondence, or relation, in type of structure; lack of analogy between parts, owing to their being composed of different elements, or of like elements in different proportions; variation in structure from the normal form; -- opposed to homology.
 2. Chem. The connection or relation of bodies which have partial identity of composition, but different characteristics and properties; the relation existing between derivatives of the same substance, or of the analogous members of different series; as, ethane, ethyl alcohol, acetic aldehyde, and acetic acid are in heterology with each other, though each in at the same time a member of a distinct homologous series.  Cf. Homology.
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 heterology
      n : (biology) the lack of correspondence of apparently similar
          body parts