| Acronym | Meaning |
| HUN | Hungary (ISO 3166 Trigram) |
| TRAIN | Tourist Railway Association |
| VZ | Verizon Communications (NYSE Code) |
| SQI | Albanian Language (ISO 639-2 Code) |
| IO | British Indian Ocean Territory (ISO 3166 Digram; FIPS 10-4 Territory Code) |
| VIT | Vellore Institute Of Technology |
| FLA | Florida -Front Line Assembly - Future Large Aircraft |
| CD1 | Cluster Of Differentiation 1 (a Small Gene Family) |
| OB | Obiit (Latin |
| OPFOR | Opposing Force |