| 单词 | ketone |
| 释义 | ketone (once / 93066 pages) n WORD FAMILY ketone: ketones USAGE EXAMPLESThe runners’ brains contained high levels of ketones, which are a byproduct of the breakdown of fat. New York Times(Jun 15, 2016) The name refers to a specific type of energy-carrying molecule, called a ketone. Time(Dec 28, 2016) Ketosis occurs when your body breaks down stored fat, causing ketones to build up in your body. US News(Mar 11, 2016) n any of a class of organic compounds having a carbonyl group linked to a carbon atom in each of two hydrocarbon radicals Hypo|Hyper acetone, dimethyl ketone, propanone the simplest ketone; a highly inflammable liquid widely used as an organic solvent and as material for making plastics butanone, methyl ethyl ketonecolorless soluble flammable liquid ketone used as a solvent for resins and as a paint remover and in lacquers and cements and adhesives and cleaning fluids and celluloid flavina ketone that forms the nucleus of certain natural yellow pigments like riboflavin acetone body, ketone bodya 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 acetoacetic acidunstable acid found in abnormal amounts in the blood and urine in some cases of impaired metabolism (as diabetes mellitus or starvation) beta-hydroxybutyric acidbeta derivative of hydroxybutyric acid that is found in the blood and urine in some cases of impaired metabolism organic compound any compound of carbon and another element or a radical |
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