| Acronym | Meaning |
| AT | Anti-Tank -Ashmore And Cartier Islands (FIPS 10-4 Territory Code) - Austria (ISO 3166 Digram) -Advanced Technology (IBM Personal Computer/AT) |
| DIF | Data Interchange Format |
| DIME | Dense Inert Metal Explosive |
| VACIS | Vehicle And Container Inspection System |
| USAF | United States Air Force |
| YS | Yottasiemens |
| OCD | Obsessive-Compulsive Disorder |
| SHP | Saint Helena Pound (ISO 4217 Currency Code) |
| PMID | PubMed Identifier |
| ILE | Interlingue Language (ISO 639-2 Code) |