| Acronym | Meaning |
| AR | Argon |
| XAU | Gold Troy Ounce (ISO 4217 Currency Code) |
| KAU | Kanuri Language (ISO 639-2 Code) |
| LUX | Luxembourg (ISO 3166 Trigram) |
| CSR | Control Supply Rate |
| CSPI | Center For Science In The Public Interest |
| KHM | Cambodia (ISO 3166 Trigram) |
| FWI | French West Indies |
| CSL | U.K. Central Science Laboratory |
| CSRC | Conflict Studies Research Centre |