| Acronym | Meaning |
| PSMA | Prostate Specific Membrane Antigen |
| EISCAT | European Incoherent Scatter Radar (atm. Sensing) |
| DRPA | Direct Random Phase Approximation |
| GBH | Gravel Bed Hydroponic System (for Wastewater Treatment) |
| OIT | Oxidative Induction Time |
| ISM | Interaction Site Model (in Statistical Mechanics Of Fluids) |
| PPS | Poly (phenylene Sulfide) |
| QR-MWH | Quasi-relativistic Mulliken-Wolfsberg-Helmholz Method |
| FFA | Flammable Fabrics Act |
| SAFETI | Software For The Assessment Of Fire |