| Acronym | Meaning |
| ASEAN | Association Of South East Asian Nations |
| HIMEZ | High Altitude Missile Engagement Zone |
| SM | Samarium |
| IUCN | International Union For The Conservation Of Nature And Natural Resources (World Conservation Union) |
| KERMA | Kinetic Energy Released In MAterial / In MAtter / Per Unit MAss |
| ISTS | Intel Science Talent Search |
| GA | Irish Language (ISO 639-1 Code) |
| AESR | Aeronautical Equipment Service Record |
| PLC | Public Limited Company (British) |
| DPRE | Displaced Person Or Refugee (plural Displaced Persons And Refugees) |