antinucleon

noun

an·ti·nu·cle·on

ˌan-tē-ˈn(y)ü-klē-ˌän,

ˌan-ˌtī-

: the antiparticle of a nucleon

Word History

First Known Use

1945, in the meaning defined above

Time Traveler

The first known use of antinucleon was in 1945

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Browse Nearby Words

antinuclear

antinucleon

antinuke

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Cite this Entry

Style

“Antinucleon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/antinucleon. Accessed 24 May. 2025.

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