ke·tone (k  t n )n. Any of a class of organic compounds, such as acetone, having a carbonyl group linked to a carbon atom in each of two hydrocarbon radicals and having the general formula R(CO)R , where R may be the same as R.[German Keton, shortening and alteration of Aceton, acetone : Latin ac tum, vinegar; see acetum + German -on, n. suff. (alteration of -en, from Greek -n).]ke·ton ic (-t n k) adj. |
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