| Acronym | Meaning |
| MITS | See Entry |
| ENTEC | Euro NATO Training Engineer Centre |
| NARPV | National Association For Remotely Piloted Vehicles |
| FG | Femtogram |
| RW | Rwanda (ISO 3166 And FIPS 10-4 Country Code Digram) |
| OCD | Obsessive-Compulsive Disorder |
| FHI | Family Health International |
| LK | Sri Lanka (ISO 3166 Digram) |
| NU | Nicaragua (FIPS 10-4 Country Code) - Niue (ISO 3166 Digram) - Nunavut (postal Symbol) |
| HIT | Head Injection Technology |