DIMETHYLKETOL Meaning of DIMETHYLKETOL in English /duy meth'euhl kee"tawl, -tol/ , n. Chem.acetoin. [ DI- 1 + METHYL + KET(ONE) + -OL 1 ] Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012