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\fˌə͡ʊtə͡ʊɪlˈɛktɹɒn], \fˌə‍ʊtə‍ʊɪlˈɛktɹɒn], \f_ˌəʊ_t_əʊ_ɪ_l_ˈɛ_k_t_ɹ_ɒ_n]\
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2006 - WordNet 3.0
By Princeton University
 
2011 - English Dictionary Database
By DataStellar Co., Ltd