| Acronym | Meaning |
| OPAC | Online Public Access Catalogue |
| 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 |
| KATUSA | Korean Augmentation To United States Army |
| ASMP | Air-Sol Moyenne Port?e Missile (French Medium-range Air To Surface) -Asymmetric Multiprocessing |
| CIR | Corotating Interaction Region |
| CHF | Swiss Franc (ISO 4217 Currency Code) |
| T | Tera - Tesla - Tritium |
| NDE | Northern Ndebele Language (ISO 639-2 Code) |
| HDL | High-Density Lipoprotein |
| TRA | Technology Readiness Assessment |