| Acronym | Meaning |
| BI | Bismuth |
| HAW | Heavy Antitank Weapon |
| W/O | Without: Software W/o Documentation |
| GZK | Greisen-Zatsepin-Kuzmin Cut-off (cosmic Ray Energies) |
| APFSDS | Armour-Piercing |
| DAFIF | Digital Aeronautical Flight Information File |
| MT | Maltese Language (ISO 639-1 Code) |
| SI | Sinhalese Language (ISO 639-1 Code) |
| GLAC | General Ledger Accounting Code |
| VCR | Video Cassette Recorder |