nucleon
noun [ C ] physics specialized uk/ˈnjuː.kli.ɒn/ us/ˈnuː.kli.ɑːn/
核子，质子或中子
a proton (= an extremely small piece of matter with a positive electrical charge) or a neutron (= an extremely small piece of matter with no electrical charge) in an atom
The separate nucleons have more mass than the nucleus itself. 原子核内的核子分离后，总质量比原子核更大。
See also: internucleon
- More examples
- The nucleus is made up of particles called nucleons.
- The nucleons are bound tightly together by the strong nuclear force.
- If a nucleus is formed from separate nucleons, energy is released.
- If two light nuclei fuse, the final binding energy per nucleon will be greater than the original value.