glyceryl ester - an ester of glycerolbutyrin - any of three glycerides of butyric acid ester - formed by reaction between an acid and an alcohol with elimination of water acylglycerol, glyceride - an ester of glycerol and fatty acids that occurs naturally as fats and fatty oils; "fresh fats contain glycerides of fatty acids and very little free acid" glycerin jelly - a mixture of glycerin and gelatin that is used in histology for mounting specimens palmitin - an ester of glycerol and palmitic acid stearin - an ester of glycerol and stearic acid olein, triolein - a naturally occuring glyceride of oleic acid that is found in fats and oils |