hy‧dro‧e‧lec‧tric /ˌhaɪdrəʊ-ɪˈlektrɪk◂ $ -droʊ-/
adjective using water power to produce electricity:
a huge hydroelectric power station—hydroelectricity /ˌhaɪdrəʊɪlekˈtrɪsəti, ˌhaɪdrəʊɪlekˈtrɪsɪti $ -droʊ-/
noun [uncountable] [TahlilGaran] Dictionary of Contemporary English ▲