Standard Lemma guide

didanosine

noun · 2 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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  • Received-Pronunciation: /dɪˈdan.əʊ.siːn/
  • General-American: /daɪˈdæn.əˌsin/

1

noun

Meaning 1

A reverse transcriptase inhibitor drug C10H12N4O3 which inhibits the replication of HIV and is used in the treatment of AIDS, especially in combination with zidovudine. It is a synthetic analog of a purine nucleoside.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

Topics: medicine, pharmacology, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

an antiviral drug used to combat HIV infection

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: dideoxyinosine, ddI

Antonyms: none provided

Broader terms: antiviral, antiviral agent, antiviral drug

History

Etymology

From did(eoxy) + -a- + (i)nosine.