Standard Lemma guide

homolog

noun · 4 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.

  • Received-Pronunciation: /ˈhɒməlɒɡ/
  • US: /ˈhɑːməlɑːɡ/
  • US: /ˈhoʊməlɑːɡ/
  • US: Recorded audio is listed in the source snapshot.

1

noun

Meaning 1

Something homologous; a homologous organ or part, chemical compound, chromosome, gene, or cultural element.

A phoneme, morpheme, or word shared by two languages or dialects, via cognation or naturalization.

Definition source: English Wiktionary via Wiktextract

Topics: human-sciences, linguistics, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

Something homologous; a homologous organ or part, chemical compound, chromosome, gene, or cultural element.

One of a group of similar DNA sequences that share a common ancestry, or the peptides or proteins that they encode; the counterpart gene or protein in another taxon evolved from a common ancestor (molecularly it may be either identical or similar).

Definition source: English Wiktionary via Wiktextract

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

Examples

  • TP53 is the human homolog of murine Trp53.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

Something homologous; a homologous organ or part, chemical compound, chromosome, gene, or cultural element.

A member of a homologous series.

Definition source: English Wiktionary via Wiktextract

Topics: chemistry, natural-sciences, organic-chemistry, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

Something homologous; a homologous organ or part, chemical compound, chromosome, gene, or cultural element.

A belief, practice, concept, or artifact that has a counterpart in another culture.

Definition source: English Wiktionary via Wiktextract

Qualifier: cultural anthropology

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Borrowed from French homologue, From Ancient Greek ὁμόλογος (homólogos, “agreeing, of one mind”), equivalent to homo- + -log.