- NTF
- National Tidal Facility (Academic & Science » Ocean Science)** National Test Facility (Governmental » Military)** Neutron Therapy Facility (Medical » Laboratory)** Neutron Therapy Facility (Medical » Physiology)** No Transaction Fees (Business » Accounting)* Neutral Transfer Format (Computing » Networking)* No- Till Farming (Miscellaneous » Farming)* Data (Lotus Notes) (Computing » File Extensions)* National Turkey Federation (USA) (Medical » Veterinary)* National Trainers Federation (racehorses) (Medical » Veterinary)
Abbreviations dictionary. 2012.