Oxford Dictionary English antiparticle noun noun BrE BrE//ˈæntipɑːtɪkl// ; NAmE NAmE//ˈæntipɑːrtɪkl// (physics) Add to my wordlistjump to other results a very small part of an atom that has the same mass as a normal particle but the opposite electrical charge Wordfinderatomantiparticle, atom, electron, ion, neutron, nucleus, particle, positron, proton, valencySee antiparticle in the Oxford Advanced American DictionaryCheck pronunciation: antiparticle oxfordlearnersdictionaries.com
