INSTANTANEITY

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