MONOSYLLABISM

\mˈɒnə͡ʊsˌɪlɐbˌɪzəm], \mˈɒnə‍ʊsˌɪlɐbˌɪzəm], \m_ˈɒ_n_əʊ_s_ˌɪ_l_ɐ_b_ˌɪ_z_ə_m]\
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2010 - New Age Dictionary Database
By Oddity Software
 
1913 - Webster's Revised Unabridged Dictionary
By Noah Webster.