SPECTROPHONE

\spˈɛktɹəfˌə͡ʊn], \spˈɛktɹəfˌə‍ʊn], \s_p_ˈɛ_k_t_ɹ_ə_f_ˌəʊ_n]\
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2010 - New Age Dictionary Database
By Oddity Software
 
1913 - Webster's Revised Unabridged Dictionary
By Noah Webster.