English Explanatory Dictionary

homologous

English dictionary entry

Meanings

adj
  1. Showing a degree of correspondence or similarity.
  2. In corresponding proportion.
  3. Corresponding to a similar structure in another life form with a common evolutionary origin.
  4. Belonging to a series of aliphatic organic compounds that differ only by the addition of a CH₂ group.
  5. Having the same morphology as another chromosome or locus; relating to a homologue.
  6. Playing the same role as seen in another culture, whether by historical connection, psychological archetype, convergent cultural evolution, or otherwise (as may be hypothesized but not known with certainty by current science), as for example with the cryptozoologic concepts of yeti and sasquatch, the use of polite and familiar pronouns, or other similarities.

Pronunciation

/həˈmɒləɡəs/ en-us-homologous.ogg

Word forms

homologous more homologous most homologous

Etymology

Etymology tree Proto-Indo-European *sem- Proto-Indo-European *somHós Proto-Hellenic *homós Ancient Greek ὁμός (homós) Proto-Indo-European *leǵ- Ancient Greek λόγος (lógos) Ancient Greek -λογος (-logos) Ancient Greek ὁμόλογος (homólogos)der. Late Latin homologusder. English homologous From Late Latin homologus, from Ancient Greek ὁμόλογος (homólogos, “agreeing, of one mind”), from ὁμός (homós, “same”) + λόγος (lógos, “reason, reckoning”). Compare homo- (“same”) and -ous (adjectival suffix). From 1655, in the mathematical sense. See also homolog, homologue.

Antonyms

heterologous

Related words

autologous homologation homolog homologue homologize homology

Derived words

cohomologous homologisation homologous blood donation homologously homologous pair homologous recombination homologous series interhomologous intrahomologous microhomologous nonhomologous semihomologous unhomologous vinylogous

Translations

Bulgarian: съответен Finnish: samankaltainen French: homologue German: homolog Greek: ομόλογος Portuguese: homólogo Romanian: omolog Spanish: homólogo
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