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nucleosynthesis
nucleotide
nucleotide base
nucleus
nuclide
NUCPS
nuddy
nude
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nudge (1)
nudge (2)
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nucleon
nu·cle·on [ nklee òn ] (plural nu·cle·ons)


noun 
Definition:
 
proton or neutron: a proton or neutron, especially when part of an atomic nucleus
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