Standard Lemma guide

orthologous

adj · 1 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

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No pronunciation record was provided for this word.

1

adj

Meaning 1

Exhibiting orthology; having been separated by a speciation event. Usually while retaining the same function.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

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

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Etymology tree English orthology Proto-Indo-European *h3ed- Proto-Indo-European *-os Proto-Indo-European *h3édosder.? Proto-Italic *-ŏ̄dsos? Old Latin -ōssus Latin -ōsus Old French -usbor. Middle English -ous English -ous English orthologous From orthology + -ous.

Across languages

Translations

4 source translations are retained for this English entry.

  • French: orthologue — having been separated by a speciation event
  • Italian: ortologo — having been separated by a speciation event
  • Portuguese: ortólogo — having been separated by a speciation event
  • Spanish: ortólogo — having been separated by a speciation event