| Acronym | Meaning |
| UPF | Universitat Pompeu Fabra (Catalan |
| YM | Yoctometre |
| EAPC | Euro-Atlantic Partnership Council |
| MDW | Chicago Midway International Airport In Chicago |
| KC | Kilocoulomb |
| NFL | National Football League - No-Fire Line |
| TWN | Republic Of China (Taiwan) (ISO 3166 Trigram) |
| EID | Electronic ID |
| HVAP | High Velocity Armour Piercing (ammunition) |
| TVA | Tennessee Valley Authority |