• The [antimatter] equivalent of a [proton]. It has the same mass as a proton, but opposite [charge] (negative).


    Antiproton meaning & definition 1 of Antiproton.


  • The negatively charged antiparticle of a proton.

    Antiproton meaning & definition 2 of Antiproton.


  • the antiparticle of a proton

    Antiproton meaning & definition 3 of Antiproton.

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