| Acronym | Meaning |
| QRPA | Quadratic Random Phase Approxn. |
| BPH | Benign Prostatic Hyperplasia |
| CPP | Core Polarization Potential |
| NTSB | National Transportation Safety Board |
| ASPERA | Analyzer Of Space Plasma And Energetic Atoms (Mars Express Spacecraft) |
| NCV | Nerve Conduction Velocity |
| CPST | Classical Perturbation Scattering Theory |
| ALARA | As Low As Reasonably Achievable |
| PPV | Poly(p-phenylene Vinylene) |
| RT | Reverse Transcriptase |