| Abbreviation | Definition |
|---|---|
| NSF | National Science Foundation |
| NT | Nano-Technology |
| NTD | Neutron Transmutation Doping |
| NTD | No Time Delay |
| NTEC | Northeast Texas Electric Cooperative |
| NTFS | Not To Fixed Scale |
| NTs | Nano Tubes |
| NTSC | National Television System Committee |
| NTU | Nephelometric Turbidity Unit |
| NUAC | Non-Uniform Attenuation Correction |
| NUMB | Noise Upon Mechanical Beats |
| NURE | National University of Radio Electronics |
| NV | Normal Variation |
| NVD | Nickel Vapor Deposition |
| NVEC | Navasota Valley Electric Cooperative |
| NVL | United States Army Night Vision Laboratory |
| NVM | Non-Volatile Memory |
| NVR | Non-Volatile Residue |
| NVRAM | Non-Volatile Random Access Memory |
| NVS | New Vision Systems |