POLYSYSTEMIC Meaning of POLYSYSTEMIC in English polysystemic BrE AmE ˌpɒl i sɪ ˈstiːm ɪk ◂ -səˈ•-, -ˈstem- AmE \ ˌpɑːl- Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012