Monounsaturated fat. Definition. noun, plural: monounsaturated fats. An unsaturated fatty acid that contains only one double or triple bond in the carbon chain, and believed to be a dietary fat that helps reduce LDL cholesterol in blood. Supplement. Foods rich in monounsaturated fats are almonds, peanut oil, olive oil, canola, and avocados.
acetone body, ketone body - a ketone that is an intermediate product of the breakdown of fats in the body; any of three compounds (acetoacetic acid, acetone, and/or beta-hydroxybutyric acid) found in excess in blood and urine of persons with metabolic disorders.
Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia. Related to Ketones: ketoacidosis, ketosis, diabetic ketoacidosis. A class of acidic organic compounds that includes acetone and aceto-acetic acid. Ketones have a carbonyl group, CO, linked to two other carbon atoms. They are formed in states of carbohydrate deficiency such as starvation or in conditions, such as DIABETES, in which carbohydrates cannot be normally utilized. Acetone, aceto-acetic acid and beta-hydroxybutyric acid are called ketone bodies.