OMEGA CENTAURI

\ə͡ʊmˈe͡ɪɡə sɛntˈɔːɹi], \ə‍ʊmˈe‍ɪɡə sɛntˈɔːɹi], \əʊ_m_ˈeɪ_ɡ_ə s_ɛ_n_t_ˈɔː_ɹ_i]\
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2006 - WordNet 3.0
By Princeton University
 
2011 - English Dictionary Database
By DataStellar Co., Ltd