INACTIVATION Meaning of INACTIVATION in English inactivation BrE AmE ɪn ˌækt ɪ ˈveɪʃ ə n ˌ•ˌ••ˈ•-, -əˈ•- ▷ inactivation|s z Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012