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Science
Physics
Particle physics
Antimatter
Antimatter
Antihydrogen
Exotic particle made of an antiproton and positron
Antimatter
Material composed of antiparticles of the corresponding particles of ordinary matter
Antineutron
Antiparticle of the neutron
Antiparticle
Small localized object; a rare type of matter
Antiproton
Antiparticle of the proton