• IPA: /həˈmɒləɡəs/


  1. Showing a degree of correspondence or similarity.
  2. (biology) Corresponding to a similar structure in another life form with a common evolutionary origin.
    • 1992, Rudolf M[athias] Schuster, The Hepaticae and Anthocerotae of North America: East of the Hundredth Meridian, volume V, New York, N.Y.: Columbia University Press, →ISBN, page 4:
      Lobules, homologous in structure, recur again only in the Gondwanalandic families Lepidolaenaceae and Jubulopsidaceae thus in the Lepidolaenineae.
  3. Flippers and hands are homologous structures.
  4. (chemistry) Belonging to a series of aliphatic organic compounds that differ only by the addition of a CH2 group.
  5. (genetics) Having the same morphology as another chromosome; relating to a homologue.
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