# ribose

> English word · Noun · IPA /ˈɹaɪbəʊz/ · frequency rank #77,148

## Definitions
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.

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

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/ribose