ANTIPARTICLE Meaning of ANTIPARTICLE in English antiparticle BrE AmE ˈænt i ˌpɑːt ɪk ə l AmE \ ˈæn t̬ i ˌpɑːrt- ˈænt aɪ- ▷ antiparticle|s z Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012