Added 10 October 2026
carboxyl
/kɑː(ɹ)ˈbɒksɪl/ noun
noun Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about carboxyl at Wordnik → Where our words come from →
- A univalent functional group consisting of a carbonyl and a hydroxyl functional group (-CO.OH); characteristic of carboxylic acids.