Meaning of “antiproton” in the English Dictionary

american-english dictionary

"antiproton" in British English

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antiprotonnoun [ C ]

/ˈæn.tiˌprəʊ.tɒn/ /ˈæn.t̬iˌproʊ.t̬ɑːn/

the antiparticle of a proton

(Definition of “antiproton” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"antiproton" in American English

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antiprotonnoun [ C ]

us /ˌænt·i·ˈproʊ·tɑn, ˌæn·tɑɪ-/

physics the antiparticle of a proton

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