HYOSCYAMINE Meaning of HYOSCYAMINE in English hyoscyamine BrE AmE ˌhaɪ ə ʊ ˈsa ɪ ‿ə miːn -mɪn, § -mən AmE ˌhaɪ ə- Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012