Standard Lemma guide

cytidine

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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  • /ˈsaɪtɪdiːn/
  • /ˈsaɪtɪdɪn/
  • UK: Recorded audio is listed in the source snapshot.

1

noun

Meaning 1

A nucleoside consisting of cytosine linked to ribose, occurring in human RNA

Definition source: English Wiktionary via Wiktextract

Topics: biochemistry, biology, chemistry, genetics, medicine, microbiology, natural-sciences, physical-sciences, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

a nucleoside component of DNA; composed of cytosine and deoxyribose

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: deoxycytidine

Antonyms: none provided

Broader terms: nucleoside

History

Etymology

From cyt(osine) + -idine.

Across languages

Translations

1 source translations are retained for this English entry.

  • Finnish: sytidiini — nucleoside