diethylene glycol Syllabification: (di·eth·yl·ene gly·col)Pronunciation: /dīˈeTHəˌlēn ˈglīkôl/Definition of diethylene glycol noun Chemistry a colorless, soluble liquid used as a solvent and antifreeze. Chemical formula: (C2H4OH)2O diethylene glycol in other Oxford dictionaries Definition of diethylene glycol in the British & World English dictionary
