nu·cle·on 
(nklē-ŏn′, ny-)
(nklē-ŏn′, ny-)n.
Either of the two fermions (the proton and the neutron). Nucleons have one-half unit of spin and are basic components of all atomic nuclei.
nu′cle·onic adj.
- overcharge
- overclass
- overcloud
- overcoat
- overcoating
- overcome
- overcommit
- overcommitment
- overcompensate
- overcompensation
- overcompensatory
- overconfidence
- overconfident
- overconfidently
- overcorrect
- overcorrection
- overcritical
- overcritically
- overcrop
- overcrowd
- overdevelop
- overdevelopment
- overdiagnose
- overdiagnosis
- overdo