noun🔗ShareCarboxiloA univalent functional group consisting of a carbonyl and a hydroxyl functional group (-CO.OH); characteristic of carboxylic acids."The presence of a carboxyl group distinguishes carboxylic acids, like citric acid in lemons, from other types of organic molecules. "La presencia de un grupo carboxilo distingue los ácidos carboxílicos, como el ácido cítrico en los limones, de otros tipos de moléculas orgánicas.chemistrybiochemistrycompoundsubstanceChat with AIVocabulary GamePractice Reading