ALL meanings of antiproton
an·ti·pro·ton
A a - noun antiproton the antiparticle of the proton; a particle having the same mass as the proton but an equal and opposite charge 3
- noun antiproton the antiparticle of the proton, with the same mass as the proton but a negative charge 3
- noun antiproton The negatively charged antiparticle of a proton. 1
- noun antiproton an elementary particle having negative charge equal in magnitude to that of the electron and having the same mass and spin as a proton; the antiparticle of the proton. 1
- noun antiproton (physics) The antiparticle of the proton, having a negative electric charge. 0