| Acronym | Meaning |
| SNS | Spallation Neutron Source |
| JAMA | Journal Of The American Medical Association |
| LNO | Liaison Officer |
| ABRSM | Associated Board Of The Royal Schools Of Music |
| ERP | Engineer Regulating Point |
| CTI | Co-operative Target Identification |
| NAICS | North American Industry Classification System |
| AA | Attoampere |
| ZA | South Africa (ISO 3166 Digram) - Zambia (FIPS 10-4 Country Code) - Zettaampere |
| AE | Armed Forces Africa/Canada/Europe/Middle East (postal Symbol) - United Arab Emirates (ISO 3166 Digram; FIPS 10-4 Country Code) |