Acheronian

== English == === Etymology === From Acheron +‎ -ian. === Pronunciation === (Received Pronunciation) IPA(key): /ˌækəˈɹəʊ.ni.ən/ (General American) IPA(key): /ˌækəˈɹoʊ.ni.ən/ Rhymes: -əʊniən === Adjective === Acheronian (comparative more Acheronian, superlative most Acheronian) Of or pertaining to Acheron. ==== Translations ====