| Acronym | Meaning |
| RDDL | Resource Directory Description Language (riddle) |
| PFLAG | Parents |
| MOSFET | Metal-Oxide-Semiconductor Field-Effect Transistor |
| TS | Tsonga Language (ISO 639-1 Code) |
| IVI | Interchangeable Virtual Instrument |
| LISA | Laser Interferometer Space Antenna |
| NAILS | National Airspace Integrated Logistics System |
| YV | Yottavolt |
| NT | Iraq-Saudi Arabia Neutral Zone (ISO 3166 Digram; Obsolete 1993) - Northern Territory (Australia) (postal Symbol) - Northwest Territories (Canada) (postal Symbol) - National Trust (UK) |
| NCO | Non-Commissioned Officer |