OPEN-HEART Meaning of OPEN-HEART in English open-heart BrE AmE ˌəʊp ə n ˈhɑːt ◂ AmE \ ˌoʊp ə n ˈhɑːrt ◂▶ ˌ open- ˌ heart ˈ surgery BrE AmE Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012