National Toxics Inventory
network terminating interface
Nuclear Threat Initiative
national technology initiative
New Technology, Inc.
New Training Initiative
No Travel Involved
naltrindole
narrow therapeutic index
nasotracheal intubation
National Tactical Interface
National Teachers Institute
National Teaching Institute
National Technical Information
National Technical Institute
National Transit Institute
Near Term Initiative
Near-Term Initiative
Nederlands Talen Instituut
Negative Thermal Ionization
Network Termination Interface
New Technology Institute
NewTorrents
Node Transit International
Noise Transmission Impairment
Noise Transmission-Impairment
nonthyroid illness
nonthyroidal illness
nonthyroidal illnesses
NORTHERN TECHNOLOGIES INTERNATIONAL CO…