ARCHEGONIATE

\ˌɑːt͡ʃiːɡˈə͡ʊnɪˌe͡ɪt], \ˌɑːt‍ʃiːɡˈə‍ʊnɪˌe‍ɪt], \ˌɑː_tʃ_iː_ɡ_ˈəʊ_n_ɪ__ˌeɪ_t]\
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2011 - English Dictionary Database
By DataStellar Co., Ltd
 
2006 - WordNet 3.0
By Princeton University