| Acronym | Meaning |
| QDOS | Quick And Dirty Operating System (cue-doss) |
| KY | Cayman Islands (ISO 3166 Digram) - Kentucky (postal Symbol) |
| BB | Barbados (ISO 3166 Digram; FIPS 10-4 Country Code) -Boys' Brigade (Christian Youth Organisation) - Brigitte Bardot (actress) |
| MSDB | Multi Source Data Base |
| GIB | Gibraltar (ISO 3166 Trigram) |
| ITAS | Improved Target Acquisition Sight |
| PCR | Polymerase Chain Reaction |
| DVD | Digital Versatile Disk (was Digital Video Disk) |
| MM | Megametre |
| ASX | Advanced Stream Redirector - Australian Stock Exchange |