antiparticle noun - Definition, pictures, pronunciation and usage notes | Oxford Advanced American Dictionary at OxfordLearnersDictionaries.com

Definition of antiparticle noun from the Oxford Advanced American Dictionary

antiparticle

noun

NAmE//ˈæntiˌpɑrt̮ɪkl//

, NAmE//ˈæntaɪˌpɑrt̮ɪkl//

(physics)

a very small part of an atom that has the same mass as a normal particle but the opposite electrical charge

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