| Acronym | Meaning |
| CPBA | Coulomb-projected Born Approximation |
| JAIE | Japan Association Of Ion Exchange |
| OCD | Overlapping Charge Density (model In Electronic Structure) |
| APSTNG | Associated-particle Sealed-tube Neutron Generator |
| LFAM | Line Focus Acoustic Microscope |
| LRAD | Long-range Alpha Detection |
| ACPR | Annular Core Pulse Reactor |
| OSSE | Oriented Scintillation Spectrometer Experiment |
| ALAPO | Association Of Local Air Pollution Control Officers |
| FOPPA | First-order Polarization Propagator Approach |