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单词 homology
释义

WordReference Random House Unabridged Dictionary of American English © 2024
ho•mol•o•gy  (hə molə jē, hō-),USA pronunciation n., pl. -gies. 
  1. the state of being homologous;
    homologous relation or correspondence.
  2. Biology
    • a fundamental similarity based on common descent.
    • a structural similarity of two segments of one animal based on a common developmental origin.
  3. Chemistrythe similarity of organic compounds of a series in which each member differs from its adjacent compounds by a fixed increment, as by CH2.
  4. Mathematicsa classification of figures according to certain topological properties.
  • Greek homología agreement, equivalent. to homólog(os) homologous + -ia -y3
  • 1650–60

Collins Concise English Dictionary © HarperCollins Publishers::
homology /həʊˈmɒlədʒɪ/ n ( pl -gies)
  1. the condition of being homologous
Etymology: 17th Century: from Greek homologia agreement, from homologos agreeing; see homologate
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