Aroylnoun
(organic chemistry) Any univalent radical R-CO- derived from an aromatic carboxylic acid
Benzoylnoun
A univalent radical formally derived from benzoic acid, C6H5CO-, by removal of the hydroxyl group
Benzoylnoun
A compound radical, C6H5.CO-; the base of benzoic acid, of the oil of bitter almonds, and of an extensive series of compounds.