DUPLICATION Meaning of DUPLICATION in English duplication BrE AmE ˌdjuːp lɪ ˈkeɪʃ ə n ⇨ˌdʒuːp-, -lə- AmE \ ˌduːp- ˌdjuːp- ▷ duplication|s z Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012