# benzoyl

> English word · Noun · IPA /ˈbɛnzəʊ.ɪl/ · frequency rank #63,451

## Definitions
1. A univalent radical formally derived from benzoic acid, C₆H₅CO-, by removal of the hydroxyl group.

## Etymology
From benzoic + -yl.

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