metabolize Syllabification: (me·tab·o·lize)Pronunciation: /məˈtabəˌlīz/Definition of metabolize verb [with object] (of a body or organ) process (a substance) by metabolism. [no object] (of a substance) undergo processing by metabolism:the refined foods soon metabolizeDerivatives metabolizable adjective metabolizer noun metabolize in other Oxford dictionaries Definition of metabolize in the British & World English dictionary