Meaning of “antiparticle” in the English Dictionary

american-english dictionary

"antiparticle" in American English

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antiparticlenoun [ C ]

us /ˈænt·iˌpɑrt̬·ɪ·kəl, ˈæn·tɑɪ-/

physics a particle that makes up antimatter, containing the same amount of matter but having the opposite electrical charge that a regular particle has

(Definition of “antiparticle” from the Cambridge Academic Content Dictionary © Cambridge University Press)