antinucleon

noun

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

Rhymes for antinucleon

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Browse Nearby Words

antinuclear
antinucleon
antinuke
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Cite this Entry

“Antinucleon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/antinucleon. Accessed 4 May. 2025.

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Britannica.com: Encyclopedia article about antinucleon

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