OPERCULIGENOUS
\ˌɒpəkjʊlˈɪd͡ʒənəs], \ˌɒpəkjʊlˈɪdʒənəs], \ˌɒ_p_ə_k_j_ʊ_l_ˈɪ_dʒ_ə_n_ə_s]\
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By Oddity Software
By Noah Webster.
By Henderson, I. F.; Henderson, W. D.