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.
Ketones are a type of acid that is left over when your body burns some of its own fat for fuel. Your body burns fat if it can't get enough glucose to use for energy. When your body burns too much fat too quickly, there may be ketones in your blood. Ketones pass from your bloodstream into your urine.