BITUMINOUS Meaning of BITUMINOUS in English bituminous BrE AmE bɪ ˈtjuːm ɪn əs bə-, ⇨-ˈtʃuːm-, -ən əs AmE \ -ˈtuːm- -ˈtjuːm- Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012