| Acronym | Meaning |
| ID | Indonesian Language (ISO 639-1 Code) |
| HU | Hungarian Language (ISO 639-1 Code) |
| L | Fifty (in Roman Numerals) -Label - Lap - Large - Laser (US Military Aircraft Basic Mission Designation) - Latin - Left -Litre -Low (transmissions) |
| LER | Loss-Exchange Ratio |
| AFIS | Automated Fingerprint Identification System - American Forces Information Service |
| APHE | Armour-Piercing |
| ISRO | Indian Space Research Organisation |
| UDAS | Uppsala-DLR Asteroid Survey |
| ZN | Zeptonewton |
| CF. | Confer (Latin Compare |