| Acronym | Meaning |
| LEC | Local Exchange Carrier |
| FAH | Federation Of American Hospitals - Fine Arts And Humanities - Foreign Affairs Handbook |
| SURTASS | Surveillance Towed Array Sensor System |
| COEIA | Combined Operational Effectiveness And Investment Appraisal (military) |
| YN | Yoctonewton |
| IPN | Instytut Pamieci Narodowej (Polish |
| UNABOM | University And Airline Bomber (FBI Case Name) |
| SHAPE | Supreme Headquarters Allied Powers Europe |
| IOM | Iowa |
| ZK | Zettakelvin |