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.
In chemistry, a ketone (alkanone) /ËkiËtoÊn/ is an organic compound with the structure RC(=O)R', where R and R' can be a variety of carbon-containing substituents.Ketones and aldehydes are simple compounds that contain a carbonyl group (a carbon-oxygen double bond).he word ketone derives its name from Aketon, an old German word for acetone. According to the rules of IUPAC nomenclature, ketones are named by changing the suffix-ane of the parent alkane to-anone. The position of the carbonyl group is usually denoted by a number.