- nominal frequency
- nominal speed
- non detonation
- non scrollable
- non systematic
- non volatile
- non-central
- non-commutative
- non-conductor
- non-contact
- non-coplanar
- non-cyclic
- non-delivery
- non-destructive
- non-empty
- non-print
- non-random
- non-terminal
- nonagon
- noncompressed
- nondirected graph
- nonidentity operation
- nonlinear
- nonlinear filter
- nonnumeric literal
- nonprinting character
- nonvolatile
- norm
- normal congruence
- normal derivative
- Normal distribution
- normal endomorphism
- normal equation
- normal flow
- normal form
- normal format
- normal hyphen
- normal inspection
- normal install
- normal kurtosis
- normal matrix
- normal orientation
- normal queue
- normal response
- normal size
- normal space
- normal stress
- normal subject
- normal summability
- normal tower
- normal vector
- normality condition
- normalized form
- normalized resistance
- normalizer
- normally ordered
- normalresponse mode
- normed
- normit
- not
- not circuit
- NOT gate
- not included
- notation attribute
- notebook computer
- notice board
- notification type
- notify message
- notify object
- Novell
- nowhere dense
- np transistor
- npnp diode
- npnp transistor
- nsfnet
- nuclear fission
- nucleus
- nulhomotopic
- non-recurrent
- non-residue
- non-volatility
- nonequivalence element
- nonequivalence operation
- nonlinear correlation
- nonlinear programming
- nonnumeric item
- nonpositive numbers
- nonprinting key
- nonsense correlation
- nontext
- nor
- NOR element
- NOR gate
- norm axiom
- norm homomorphism
- norm residue
- normal
- normal category
- normal chain
- normal coordinates