ANTIPARTICLE


Meaning of ANTIPARTICLE in English

an ‧ ti ‧ par ‧ ti ‧ cle /ˈæntiˌpɑːtɪk ə l $ -ˌpɑːr-/ BrE AmE noun [countable]

a very small part of an atom that has the opposite electrical charge to the one usually found in atoms

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.