| Acronym | Meaning |
| ZR | Zaire (ISO 3166 Digram; Obsolete 1997) |
| IU | Inuktitut Language (ISO 639-1 Code) |
| ATAC | Air Transportable Acoustic Communications |
| QA | Qatar (FIPS 10-4 Country Code; ISO 3166 Digram) |
| YV | Yottavolt |
| JD | Jack Daniels (whiskey) - Julian Day - Juris Doctor (Latin |
| HCCI | Homogeneous Charge Compression Ignition |
| RACON | RAdar BeaCON |
| CMP | Common [Operating/Operational] Maritime Picture |
| SVC | Secondary Visual Cortex |