| Acronym | Meaning |
| QDOS | Quick And Dirty Operating System (cue-doss) |
| LBN | Lebanon (ISO 3166 Trigram) |
| NAMBLA | North American Man-Boy Love Association |
| CDT | Commandant |
| LLGC | Llyfrgell Genedlaethol Cymru (National Library Of Wales) - London Lesbian And Gay Centre |
| PCMCIA | Personal Computer Memory Card International Association (People Can't Memorise Computer-Industry Acronyms) |
| IMA | Intermediate Maintenance Activity |
| PEET | Partnerships For Enhancing Expertise In Taxonomy |
| RHO | Southern Rhodesia (ISO 3166 Trigram; Obsolete 1980) |
| CAD | Canadian Dollar (ISO 4217 Currency Code) -Computer-Aided Design - Computer-Aided Dispatch |