SEROPOSITIVE Meaning of SEROPOSITIVE in English seropositive BrE AmE ˌsɪər əʊ ˈpɒz ət ɪv ◂ -ɪt ɪv AmE \ ˌsɪr oʊ ˈpɑːz ət̬ ɪv ◂ Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012