OSMOTIC Meaning of OSMOTIC in English osmotic BrE AmE ɒz ˈmɒt ɪk ɒs- AmE \ ɑːz ˈmɑːt̬ ɪk ɑːs- ▷ osmotic|ally ə l‿i Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012