| Acronym | Meaning |
| MILSET | Mouvement International Pour Le Loisir Scientifique Et Technique (French |
| JSS | Joint Support Ship |
| SND | Sindhi Language (ISO 639-2 Code) |
| UNRISD | United Nations Research Institute For Social Development |
| TVA | Tennessee Valley Authority |
| SMASS | Small Main-Belt Asteroid Spectroscopic Survey |
| NLD | Netherlands (ISO 3166 Trigram) |
| XHR | EXtra High Image Resolution - XMLHTTPRequest |
| BI | Burundi (ISO 3166 Digram) |
| HMSO | Her Majesty's Stationery Office |