HYPOBASIDIUM

\hˌa͡ɪpə͡ʊbe͡ɪsˈɪdi͡əm], \hˌa‍ɪpə‍ʊbe‍ɪsˈɪdi‍əm], \h_ˌaɪ_p_əʊ_b_eɪ_s_ˈɪ_d_iə_m]\
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2006 - WordNet 3.0
By Princeton University
 
2011 - English Dictionary Database
By DataStellar Co., Ltd