Nucleon

//ˈn(j)uːkliɒn// noun

noun ·Uncommon ·Advanced level

Definitions

Noun
  1. 1
    A proton (uud) or a neutron (udd).
  2. 2
    a constituent (proton or neutron) of an atomic nucleus wordnet

Synonyms

All synonyms
alpha particlebeta particleelectronelementary particlemesonneutron

Example

More examples

"The binding energy between quarks in a nucleon is equal to its mass times the speed of light squared."

Etymology

From nucleus + -on.

Related phrases

nucleon number

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.