| Acronym | Meaning |
| CA | Catalan Language (ISO 639-1 Code) |
| IW | Information Warfare |
| CB | Cambodia (FIPS 10-4 Country Code) -Citizens' Band Radio |
| GLC | Gas-liquid Chromatography |
| PO | Polonium |
| AST | Atlantic Standard Time (UTC-4 Hours) |
| ITAS | Improved Target Acquisition Sight |
| DFAD | Digital Feature Analysis Data (dee-fad) |
| NK | Nanokelvin |
| USNZ | University Sport New Zealand |