# uracil

> English word · Noun · IPA /ˈjʊərəsɪl/ · frequency rank #98,850

## Definitions
1. One of the bases of RNA, pairing with adenine.

## Etymology
From uro- + ac(etic) + -ile. Coined in 1885 by the German chemist Robert Behrend, who was attempting to synthesize derivatives of uric acid.

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