decarbonize Syllabification: (de·car·bon·ize)Pronunciation: /dēˈkärbəˌnīz/Definition of decarbonize verb [with object] remove carbon or carbonaceous deposits from (an engine or other metal object). Derivatives decarbonizationPronunciation: /dēˌkärbənəˈzāSHən/ noun decarbonizer noun decarbonize in other Oxford dictionaries Definition of decarbonize in the British & World English dictionary