Standard Lemma guide

homologous

adj · 7 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • /həˈmɒləɡəs/
  • US: Recorded audio is listed in the source snapshot.
  • CMU ARPABET: HH AA0 M AA1 L AH0 G AH0 S Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

adj

Meaning 1

Showing a degree of correspondence or similarity.

In corresponding proportion.

Definition source: English Wiktionary via Wiktextract

Topics: mathematics, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adj

Meaning 2

Showing a degree of correspondence or similarity.

Corresponding to a similar structure in another life form with a common evolutionary origin.

Definition source: English Wiktionary via Wiktextract

Topics: biology, natural-sciences

Examples

  • Flippers and hands are homologous structures.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

adj

Meaning 3

Showing a degree of correspondence or similarity.

Belonging to a series of aliphatic organic compounds that differ only by the addition of a CH2 group.

Definition source: English Wiktionary via Wiktextract

Topics: chemistry, natural-sciences, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

adj

Meaning 4

Showing a degree of correspondence or similarity.

Having the same morphology as another chromosome or locus; relating to a homologue.

Definition source: English Wiktionary via Wiktextract

Topics: biology, genetics, medicine, natural-sciences, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

adj

Meaning 5

Showing a degree of correspondence or similarity.

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.

Definition source: English Wiktionary via Wiktextract

Qualifier: cultural anthropology; structural anthropology; cultural anthropology; structural anthropology

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

adjective

Meaning 6

corresponding or similar in position or structure or function or characteristics; especially derived from an organism of the same species

Definition source: Princeton WordNet 3.0

Examples

  • a homologous tissue graft

Meaning relationships

Synonyms: none provided

Antonyms: heterologous, autologous

7

adjective

Meaning 7

having the same evolutionary origin but not necessarily the same function

Definition source: Princeton WordNet 3.0

Examples

  • the wing of a bat and the arm of a man are homologous

Meaning relationships

Synonyms: none provided

Antonyms: heterologous, analogous

History

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.

Across languages

Translations

28 source translations are retained for this English entry.

  • Bulgarian: съответен (sǎotveten) — showing a degree of correspondence
  • Finnish: samankaltainen — showing a degree of correspondence
  • French: homologue — showing a degree of correspondence
  • German: homolog — showing a degree of correspondence
  • Greek: ομόλογος (omólogos) — showing a degree of correspondence
  • Portuguese: homólogo — showing a degree of correspondence
  • Romanian: omolog — showing a degree of correspondence
  • Spanish: homólogo — showing a degree of correspondence
  • Bulgarian: хомоложен (homoložen) — (biology) corresponding to a similar structure in another life form
  • Finnish: homologinen — (biology) corresponding to a similar structure in another life form
  • French: homologue — (biology) corresponding to a similar structure in another life form
  • German: homolog — (biology) corresponding to a similar structure in another life form
  • Greek: ομόλογος (omólogos) — (biology) corresponding to a similar structure in another life form
  • Portuguese: homólogo — (biology) corresponding to a similar structure in another life form
  • Spanish: homólogo — (biology) corresponding to a similar structure in another life form
  • Bulgarian: хомоложен (homoložen) — (chemistry) belonging to a series of aliphatic organic compounds
  • Finnish: homologinen — (chemistry) belonging to a series of aliphatic organic compounds
  • French: homologue — (chemistry) belonging to a series of aliphatic organic compounds
  • German: homolog — (chemistry) belonging to a series of aliphatic organic compounds
  • Portuguese: homólogo — (chemistry) belonging to a series of aliphatic organic compounds
  • Spanish: homólogo — (chemistry) belonging to a series of aliphatic organic compounds
  • Czech: homologní — (genetics) having the same morphology as another chromosome
  • Finnish: homologinen — (genetics) having the same morphology as another chromosome
  • French: homologue — (genetics) having the same morphology as another chromosome
  • German: homolog — (genetics) having the same morphology as another chromosome
  • Greek: ομόλογος (omólogos) — (genetics) having the same morphology as another chromosome
  • Portuguese: homólogo — (genetics) having the same morphology as another chromosome
  • Spanish: homólogo — (genetics) having the same morphology as another chromosome
Real reading context

homologous in complete knowledge articles