noun🔗ShareCétonesA homologous series of organic molecules whose functional group is an oxygen atom joined to a carbon atom—by a double bond—in a carbon-hydrogen based molecule."The chemist explained that the body produces ketones during periods of fasting. "Le chimiste a expliqué que le corps produit des cétones pendant les périodes de jeûne.compoundchemistrybiochemistrysubstancescienceChat with AIVocabulary GamePractice Reading