Standard Lemma guide

ribose

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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  • /ˈɹaɪbəʊz/
  • Southern-England: Recorded audio is listed in the source snapshot.

1

noun

Meaning 1

A naturally occurring pentose sugar, which is a component of the nucleosides and nucleotides that constitute the nucleic acid biopolymer, RNA. It is also found in riboflavin.

Definition source: English Wiktionary via Wiktextract

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

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

a pentose sugar important as a component of ribonucleic acid

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: carbohydrate, saccharide, sugar

History

Etymology

From German Ribose, formed from Ribonsäure, the first element of which comes from a rearrangement of English arabinose.

Across languages

Translations

17 source translations are retained for this English entry.

  • Catalan: ribosa — naturally occurring pentose sugar
  • Chinese Cantonese: 核糖 (hat6 tong4) — naturally occurring pentose sugar
  • Chinese Mandarin: 核糖 (hétáng) — naturally occurring pentose sugar
  • Esperanto: ribozo — naturally occurring pentose sugar
  • French: ribose — naturally occurring pentose sugar
  • Galician: ribosa — naturally occurring pentose sugar
  • German: Ribose — naturally occurring pentose sugar
  • Hungarian: ribóz — naturally occurring pentose sugar
  • Italian: ribosio — naturally occurring pentose sugar
  • Japanese: リボース (ribōsu) — naturally occurring pentose sugar
  • Polish: ryboza — naturally occurring pentose sugar
  • Portuguese: ribose — naturally occurring pentose sugar
  • Russian: рибо́за (ribóza) — naturally occurring pentose sugar
  • Spanish: ribosa — naturally occurring pentose sugar
  • Swedish: ribos — naturally occurring pentose sugar
  • Thai: ไรโบส — naturally occurring pentose sugar
  • Turkish: riboz — naturally occurring pentose sugar