| Acronym | Meaning |
| SPM | Scanning Probe Microscopy |
| APCRC | Australian Petroleum Cooperative Research Center |
| LKKR | Layer Korringa-Kohn-Rostoker (in Interface Electronic Structures) |
| UKAWRG | United Kingdom Acid Waters Review Group |
| PWBA | Plane-Wave Born Approximation |
| SAA | Serum Amyloid A |
| SLAP | Standard Light Antarctic Precipitation |
| STS | Space Transportation System |
| OWPE | Office Waste Programs Enforcement |
| PAMSA | PCR Amplification Of Multiple Specific Alleles |