DIMINUTION Meaning of DIMINUTION in English diminution BrE AmE ˌdɪm ɪ ˈnjuːʃ ə n -ə-, !!-ju- AmE \ -ˈnuːʃ- -ˈnjuːʃ- ▷ diminution|s z Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012