OPERATORY

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