deuterated Syllabification: (deu·ter·at·ed)Pronunciation: /ˈd(y)o͞otəˌrātid/ (also deuteriated /d(y)o͞oˈti(ə)rēˌātid/)Definition of deuterated adjective Chemistry (of a compound) in which the ordinary isotope of hydrogen has been replaced with deuterium. Derivatives deuterationPronunciation: /ˌd(y)o͞otəˈrāSHən/ noun deuterated in other Oxford dictionaries Definition of deuterated in the British & World English dictionary