nucleon

(no̵̅o̅klē än′, nyo̵̅o̅-)

noun

Particle Physics either of two stable baryons, the proton and the neutron, that make up the nucleus of an atom

Origin: nucle(us) + (prot)on

Related Forms:

See nucleon in American Heritage Dictionary 4

noun
A proton or a neutron, especially as part of an atomic nucleus. See Table at subatomic particle.

Related Forms:

  • nuˌcle·onˈic adjective

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