| Acronym | Meaning |
| HRPA | Higher Random Phase Approximation |
| VOHAP | Volatile Organic Hazardous Air Pollutant |
| DDF | Depth Distribution Function |
| FAT | Fatty Acid Translocase |
| SBMO | Subjacent Molecular Orbital |
| MHIDAS | Major Hazardous Incident Data Service (from UK Atomic Energy Authority) |
| PRP | Platelet-rich Plasma |
| HWC | Hazardous Waste Combustor |
| FDSO | Full Diagonal Second-order (approxn. To)-green Function |
| ERCS | Elastic Recoil Coincidence Spectroscopy |