Nanocurie
Natural uranium
Neutron
Neutron capture
Neutron chain reaction
Neutron flux
Neutron generation
Neutron source
Neutron, thermal
Noble gas
Non-ionizing radiation
Nonpower reactor
Non-stochastic effect
Normal transportation handling
Nuclear energy
Nuclear force
Nuclear power plant
Nuclear radiation
Nuclear Regulatory Commission
Nuclear steam supply system
Nucleon
Nucleus
Nuclide