homologue

Or ho·mo·log

[hoh-muh-lawg, -log, hom-uh-]

noun

1. something homologous.

2. Chemistry.,  any member of a homologous series of organic compounds.

   Ethane is a homologue of the alkane series.

homologue

/ ˈhɒməˌlɒɡ /

noun

1. biology a homologous part or organ

2. chem any homologous compound

homologue

1. A homologous organ or part.

2. A homologous chromosome.

3. A homologous chemical compound.

4. Compare analog

Word History and Origins

Origin of homologue¹

1840–50; < French < Greek homólogon, neuter of homólogos homologous

Example Sentences

As calculations had predicted, relativistic effects make the ionization potential of lawrencium even lower, relative to its lighter homologue lutetium, than the usual periodic trends would imply.

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The maize homologue ZmWAK is involved in defence against fungal pathogens30.

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Alic, N., Hoddinott, M. P., Vinti, G. & Partridge, L. Lifespan extension by increased expression of the Drosophila homologue of the IGFBP7 tumour suppressor.

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Iwasaki, K., McCarter, J., Francis, R. & Schedl, T. emo-1, a Caenorhabditis elegans Sec61p gamma homologue, is required for oocyte development and ovulation.

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The top hit for each species was retained as a ‘homologue’ for each Ae. tauschii gene for colinearity analyses and comparisons of chromosome structure.

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Related Words

• analogy 
• comparison 
• corollary 
• resemblance 
• similarity