binding energy(redirected from mass deficiency)
Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.
Related to mass deficiency: mass defect
energy that would be released if a particular atomic nucleus were formed through the combination of individual protons and neutrons.
Synonym(s): fusion energy
1 the amount of energy required to separate a nucleus into its individual nucleons.
2 the energy released as the nucleus forms from nucleons.
binding energyThe minimum energy needed to dissociate an atomic nucleus into neutrons and protons—neutron binding energies (BEs) remove neutrons from the nucleus; proton BEs remove protons from the nucleus; electron BEs remove electrons.
bind·ing en·er·gy(bīnd'ing en'ĕr-jē)
The force of attraction that holds an electron in its corresponding orbital shell.