MESOTHELIUM Meaning of MESOTHELIUM in English mesothelium BrE AmE ˌmes ə ʊ ˈθiːl i‿əm ˌmez-, ˌmiːs-, ˌmiːz- AmE \ ˌ•ə- Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012