PHENOBARBITAL Meaning of PHENOBARBITAL in English phenobarbital BrE AmE ˌfiːn ə ʊ ˈbɑːb ɪt ə l -ə ə l AmE \ -oʊ ˈbɑːrb ə tɔːl -tɑːl Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012