| Acronym | Meaning |
| OIOC | Oriental & India Office Collections (in The British Library) |
| KAT | Georgian Language (ISO 639-2 Code) |
| BASF | Badische Anilin Und Soda Fabrik (German Chemicals Company) |
| MS | Megasecond |
| PRY | Paraguay (ISO 3166 Trigram) |
| LWR | Laser Warning Receiver |
| MLI | Mali (ISO 3166 Trigram) |
| MIS | Management Information Systems - Museum Information System |
| BRA | Brazil (ISO 3166 Trigram) |
| CVR | Cockpit Voice Recorder - Combat Vehicle Reconnaissance |