ICHTHYOLOGICAL

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