HYDROELECTRIC Meaning of HYDROELECTRIC in English hydroelectric BrE AmE ˌhaɪdr əʊ ɪ ˈlek trɪk ◂ -əˈ•- AmE \ ˌhaɪdr oʊ-▷ hydroelectric|ally ə l‿i Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012