noun ·Rare ·Advanced level

Definitions

Noun

1. 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.
2. 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).

   "TP53 is the human homolog of murine Trp53."

3. 3
   Something homologous; a homologous organ or part, chemical compound, chromosome, gene, or cultural element.; A member of a homologous series.
4. 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.

Synonyms

All synonyms

counterpartcounterpart

Example

More examples

"TP53 is the human homolog of murine Trp53."

Etymology

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

Related phrases

homologous series

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.