1 antinucleon | Definition of antinucleon

antinucleon

noun
an·​ti·​nu·​cle·​on | \ -ˈn(y)ü-klÄ“-ˌän 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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More from Merriam-Webster on antinucleon

Britannica.com: Encyclopedia article about antinucleon