- noneutectic mixture
- nonflammability test
- nonfreezing solution
- nonfrozen
- nongassing
- noninertial
- noninsulated
- nonirradiated
- nonlinear coil
- nonlinear dielectric
- nonlinear scattering
- nonmonotonous
- nonoverloading fan
- nonperfect
- nonpoisonous refrigerant
- nonpolar molecule
- nonreactive load
- nonrefrigerated food
- nonsplitting
- nonstoichiometric compound
- nonthermal
- nonvolatile
- Normal distribution
- normal electrode
- normal incidence
- normal permeability
- normal rate
- normal reflection
- normalized eigenfunction
- normalized graph
- normalized impedance
- nose suspension
- note
- np scattering
- NTSC system
- nuclear capture
- nuclear emulsion
- nuclear engine
- nuclear exciton
- nuclear explosion
- nuclear fission
- nuclear fusion
- nuclear model
- nuclear orientation
- nuclear polarization
- nuclear radiation
- nuclear relaxation
- nuclear scale
- nuclear scattering
- nuclear stability
- nuclear technology
- nucleate boiling
- nonadditive
- nonblack body
- noncondensed air
- noncontact imaging
- noncoplanar
- nondiagonal
- nonfission absorption
- nonfreezing liquid
- nonfrozen freight
- nonhermetic
- noninductive capacitor
- noninjurious
- nonionizing
- nonlinear acoustics
- nonlinear microscopy
- nonlinear taper
- nonlocalized
- nonmonochromatic
- nonpolarized relay
- nonproductive capture
- nonreactive
- nonrefrigerated product
- nonrefrigerated shelf
- nonuniform convection
- nonvibrating
- nonvolatile memory
- nonwetting
- normal
- normal induction
- normal liquid
- normal mode
- normal plane
- normalized
- normalized admittance
- normalized current
- normalized susceptance
- normalized voltage
- notation
- nozzle blockage
- NTC thermistor
- nuclear barrier
- nuclear blast
- nuclear bomb
- nuclear explosive
- nuclear paramagnetism
- nucleation site
- number representation
- numerical aperture