| Acronym | Meaning |
 | RAAF | Royal Australian Air Force |
| AAS | Advanced Automation System - American Astronomical Society (double-A-S) |
| KAL | Kalaallisut Language (ISO 639-2 Code) |
| UBS | Unbundled Bitstream Services - United Bank Of Switzerland - United Banque Suisse |
| LABVIEW | Laboratory Virtual Instrumentation Engineering Workbench |
| OASIS | Objects And Agents For Information Systems And Simulation - Organization For The Advancement Of Structured Information Standards |
| ONCE | Organizaci›n Nacional De Ciegos Espa?oles (Spanish |
| YSI | Young Scots For Independence |
| AN | Aragonese Language (ISO 639-1 Code) |
| YJ | Yoctojoule |
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