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antineutron

nounmasculinetechnicalraro/ɐ̃tiˌnewˈtɾɐ̃w̃/an·ti·neu·trão

Definition

The antiparticle of the neutron, having the same mass but opposite magnetic moment.

“The antineutron was observed in the particle collider.”

“The reaction produced a neutron-antineutron pair.”

antineutron antiparticle