antinucleon

noun
an·​ti·​nu·​cle·​on | \ ˌan-tē-ˈn(y)ü-klē-ˌän, ˌan-ˌtī- How to pronounce antinucleon (audio) \

Definition of antinucleon

: the antiparticle of a nucleon

First Known Use of antinucleon

1946, in the meaning defined above

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Last Updated

17 Sep 2019

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The first known use of antinucleon was in 1946

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