NAD-27
NAD-83
Nadir
NAK
NAK attack
Naltrexone
Nanometer
Nanosecond
Nanotechnology
Naphtha
Naphthas
Narcosis
Narrative traffic
Natto
Naturalism
Nav message
NAVSTAR
Necrosis
Negroid
Nekton
Neocutan
Neoferran
Neoglycopolymer
Nephrectomy
Nephrologist
Nephropathia epidemica
Network
Network acknowledgment
Network administration
Network architecture
Network connectivity
Network control program
Network element
Network engineering
Network interface
Network management
Network manager
Network operating system
Network terminal number
Network termination
Network topology
Network utility
Neuraminidase
Neuron
Neurotransmitter
Neutron
Neutropenia
Neutrophilia
NIAID
Nicols
Nipple
Nitrate
Nitrogen
NMDA
NMEA 0183
Nodule
Nonrepudiation
Norite
Nosocomial
NTIA
NTSC
Nucleoside
Nucleotide
Nucleus
Null hypothesis
Numerical aperture
NVPO