OCTOGENARIAN Meaning of OCTOGENARIAN in English octogenarian BrE AmE ˌɒkt əʊ dʒə ˈneər i‿ən ◂ ˌ••dʒɪ- AmE \ ˌɑːkt ə dʒə ˈner-▷ octogenarian|s z Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012