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.
Low-Carb Diets. By Laura Dolson - Reviewed by a board-certified physician. Definition: There are two ways to look at ketones. Here, we are concerned with certain ketones (also called ketone bodies) in the human body, but for the record, a ketone is a compound containing a carbonyl functional group bridging two groups of atoms.