HYDROCEPHALOUS

\hˈa͡ɪdɹə͡ʊsfələs], \hˈa‍ɪdɹə‍ʊsfələs], \h_ˈaɪ_d_ɹ_əʊ_s_f_ə_l_ə_s]\
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2010 - New Age Dictionary Database
By Oddity Software
 
1913 - Webster's Revised Unabridged Dictionary
By Noah Webster.