Standard Lemma guide

homodeletion

noun · 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

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.

  • /ˌhoʊmoʊdɪˈliːʃən/

1

noun

Meaning 1

A type of chromosomal deletion where both copies (alleles) of a particular DNA sequence are lost from an individual's genome.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

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

Examples

  • The study identified a homodeletion in the CDKN2A gene, which is associated with an increased risk of certain cancers.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Blend of homozygous + deletion.