| Acronym | Meaning |
| QDOS | Quick And Dirty Operating System (cue-doss) |
| SIIT | Saskatchewan Indian Institute Of Technologies (Canadian University) - Sirindhorn International Institute Of Technology (Thai University) - Stateless IP/ICMP Translation Algorithm |
| BAFTA | British Academy Of Film And Television Arts |
| AADD | Atlanta Alliance On Developmental Disabilities |
| A | Atto |
| EST | Estonian Language (ISO 639-2 Code) |
| ORAU | Oak Ridge Associated Universities |
| PUP | Pull-Up Point |
| SSA | Cargo Submarine (US Navy Hull Classification) |
| TOMS | Total Ozone Mapping Spectrometer (satellite Instrument) |