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Definition of Antiproton
1. Noun. An unstable negatively charged proton; the antiparticle of a proton.
Generic synonyms: Nucleon
Definition of Antiproton
1. Noun. (physics) The antiparticle of the proton, having a negative electric charge. ¹
¹ Source: wiktionary.com
Definition of Antiproton
1. [n -S]