EXTEMPORIZATION Meaning of EXTEMPORIZATION in English extemporization BrE AmE ɪk ˌstemp ə r aɪ ˈzeɪʃ ə n ek-, ək-, - ə r ɪ- AmE \ - ə r ə-▷ extemporization|s z Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012