Standard Lemma guide

thymidine

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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  • /ˈθaɪmɪdiːn/
  • UK: Recorded audio is listed in the source snapshot.
  • CMU ARPABET: TH IH1 M IH0 D IY2 N Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

The nucleoside consisting of a combination of deoxyribose and thymine

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 thymine and deoxyribose

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: deoxythymidine

Antonyms: none provided

Broader terms: nucleoside

History

Etymology

No etymology was provided for this word.

Across languages

Translations

5 source translations are retained for this English entry.

  • Chinese Mandarin: 胸腺嘧啶核苷 (xiōngxiàn mìdìng hégān) — a nucleoside
  • Chinese Mandarin: 胸苷 (xiōnggān) — a nucleoside
  • Finnish: tymidiini — a nucleoside
  • French: thymidine — a nucleoside
  • Spanish: timidina — a nucleoside