1. nucleon

noun. a constituent (proton or neutron) of an atomic nucleus.


  • heavy particle
  • neutron
  • nucleus
  • antiproton
  • antineutron
  • baryon

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Sentences with nucleon

1. Noun, singular or mass
A high binding energy per nucleon would indicate a very stable nucleus – it is not likely to release energy if it decays into something else.

2. Preposition or subordinating conjunction
The number of protons and neutrons comprising an atom’s nucleus determine that atom’s mass number, sometimes referred to as “nucleon number.”