| Acronym | Meaning |
| APS | American Physical Society - Antiphospholipid Antibody Syndrome |
| FUBAR | Fucked/Fouled Up Beyond All Recognition/Repair |
| DCD | [Organ] Donation After Cardiac Death |
| MT | Meitnerium |
| A | Ampere |
| AHEC | Australian Health Ethics Committee |
| LSE | Least Squares Estimate/Error - London School Of Economics - London Stock Exchange |
| IR | Infrared - Intelligence Requirement (military) -Iran (FIPS 10-4 Country Code; ISO 3166 Digram) - Iran Air (IATA Alpha Code) See Entry For More |
| PRBO | Point Reyes Bird Observatory |
| ECU | Ecuador (ISO 3166 Trigram) -European Currency Unit (ancestor Of The Euro) |