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 the result of the body burning fat for energy or fuel. For a person with diabetes, ketones are often the result of prolonged high blood sugar and insulin deficiency.he cells burn fat instead of glucose, and ketones form in the blood and spill into the urine. Some causes of high blood sugar are: 1  Missing an insulin dose or skipping some oral medications.