| Acronym | Meaning |
| NSO | National Standardization Office (ABCA) |
| GA | Irish Language (ISO 639-1 Code) |
| MK | Macedonian Language (ISO 639-1 Code) |
| ZT | Zettatesla |
| TWS | Thermal Weapon Sight - Track While Scan |
| SF&F | Science Fiction & Fantasy |
| QAT | Qatar (ISO 3166 Trigram) |
| Y2K | Year Two Thousand |
| YA | Yottayear |
| MKT | Missouri-Kansas-Texas Railroad (1865-1989) - Mortal Kombat Trilogy |