| Acronym | Meaning |
 | AV | Attovolt |
| CSA | Canadian Space Agency - Canadian Standards Association - Child Support Agency - Command Staff Advisor - Community-supported Agriculture - Confederate States Of America - Corps Storage Area -Czech Airlines |
| JET | Joint European Torus |
| AW | Aruba (ISO 3166 Digram) |
| KAZ | Kazakh Language (ISO 639-2 Code) |
| HAT | Highest Astronomical Tide (nautical Charts) -Hungarian Automated Telescope |
| CATS | Computer Active Technology Suspension |
| PLUTO | Pipe Line Under The Ocean |
| GLAC | General Ledger Accounting Code |
| PAL | Phase Alternating Line (TV Standard) -Philippine Airlines |
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