depolarize Syllabification: (de·po·lar·ize)Pronunciation: /dēˈpōləˌrīz/Definition of depolarize verb [with object] Physics reduce or remove the polarization of:the threshold necessary to depolarize the membraneDerivatives depolarizationPronunciation: /-ˌpōlərəˈzāSHən/ noun depolarize in other Oxford dictionaries Definition of depolarize in the British & World English dictionary