HYDROELECTRIC

\hˌa͡ɪdɹə͡ʊlˈɛktɹɪk], \hˌa‍ɪdɹə‍ʊlˈɛktɹɪk], \h_ˌaɪ_d_ɹ_əʊ_l_ˈɛ_k_t_ɹ_ɪ_k]\
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2006 - WordNet 3.0
By Princeton University
 
2011 - English Dictionary Database
By DataStellar Co., Ltd