Definition of "carboxyl"
carboxyl
/kɑː(ɹ)ˈbɒksɪl/
noun
plural carboxyls
(organic chemistry) A univalent functional group consisting of a carbonyl and a hydroxyl functional group (-CO.OH); characteristic of carboxylic acids.
plural carboxyls
(organic chemistry) A univalent functional group consisting of a carbonyl and a hydroxyl functional group (-CO.OH); characteristic of carboxylic acids.