| Acronym | Meaning |
| IN | Indium |
| LA | Laos (FIPS 10-4 Country Code; ISO 3166 Digram) -Los Angeles -Louisiana (postal Symbol) |
| METAR | [Meteorological] Aviation Routine Weather Report |
| UNU | United Nations University |
| DGPS | Differential GPS |
| AESR | Aeronautical Equipment Service Record |
| AHCPR | Agency For Health Care Policy And Research (obsolete; Replaced With AHRQ) |
| VI | Vietnamese Language (ISO 639-1 Code) |
| UUB | Ununbium (temporary Superheavy Chemical Element Name) |
| EM | ElectroMagnetism/ElectroMagnetic |