POLYUNSATURATE Meaning of POLYUNSATURATE in English polyunsaturate BrE AmE ˌpɒl i ʌn ˈsætʃ ə reɪt -ʊ•, -ˈsæt jʊ- AmE \ ˌpɑːl-▷ polyunsaturate|s s Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012