ISOPROPYL Meaning of ISOPROPYL in English isopropyl BrE AmE ˌaɪs ə ʊ ˈprəʊp ɪl ◂ - ə l AmE \ -ə ˈproʊp ə l ◂ Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012