ASTRONAUTICAL Meaning of ASTRONAUTICAL in English astronautical BrE AmE ˌæs trə ˈnɔːt ɪk ə l ◂ AmE \ -ˈnɔːt̬- -ˈnɑːt̬- ▷ astronautical|ly ‿i Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012