- multiplication table
- multiplicative
- multiplicity
- multipoint connection
- multipole moment
- multiport
- multiprogramming system
- Multispectral scanner
- multistrip coupler
- multisystem coupling
- multisystem network
- multithreaded processing
- multiuser mode
- multivariable control
- multivariate distribution
- music
- mutable
- mutual commutant
- mutuality
- mutually disjoint
- Mutually exclusive
- mutually separated
- mystify
- nadir
- nail
- nail claw
- naked wall
- name character
- name group
- name qualification
- name resolution
- name stack
- name token
- named
- named expression
- named pipe
- named system
- naming rule
- NAND element
- nanometer
- naperian logarithm
- Napierian logarithm
- Napierian logarithms
- narrative information
- narrow angle
- national keyboard
- national library
- native compiler
- native format
- native mode
- natural
- natural channel
- natural density
- natural equivalence
- natural homomorphism
- natural injection
- natural mapping
- natural multiple
- natural period
- natural projection
- natural coordinates
- natural logarithms
- natural multiplication
- natural philosophy
- natural recalculation
- natural selection
- natural sine
- natural transformation
- natural transmission
- naturally ordered
- nautical chart
- nautical mile
- navigation button
- navigation window
- naving light
- necessary bandwidth
- needle drop
- negated condition
- negative
- negative acknowledgement
- negative angle
- negative bias
- negative carry
- negative curvature
- negative entry
- negative modulation
- negative operator
- negative sense
- negative terminal
- negative twist
- negator
- negotiation
- neighbor gateway
- neighbor notification
- neighboring curve
- neighbouring vertices
- neoring
- nested
- nested intervals
- nested macrocall