MEGALOHEPATIA

\mˌɛɡəlˌə͡ʊhɪpˈe͡ɪʃə], \mˌɛɡəlˌə‍ʊhɪpˈe‍ɪʃə], \m_ˌɛ_ɡ_ə_l_ˌəʊ_h_ɪ_p_ˈeɪ_ʃ_ə]\
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2006 - WordNet 3.0
By Princeton University
 
2011 - English Dictionary Database
By DataStellar Co., Ltd