SUBSTRATUM Meaning of SUBSTRATUM in English substrat|um BrE AmE ˈsʌb ˌstrɑːt |əm -ˌstreɪt-, ˌ•ˈ•• AmE \ -ˌstreɪt̬ |əm -ˌstræt̬- ▷ substrat|a ə Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012