an·​ti·​baryon | \ " +\

Definition of antibaryon

: an antiparticle of a baryon (as an antiproton or antineutron)

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First Known Use of antibaryon

1955, in the meaning defined above

History and Etymology for antibaryon

anti- entry 1 + baryon

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The first known use of antibaryon was in 1955

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suitable to be imparted to the public

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