# carboxymethyl

> English word · Noun

## Definitions
1. The univalent radical -CH₂-COOH derived from acetic acid

## Etymology
From carboxy + methyl.

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