| Acronym | Meaning |
| PCOP | Positron Correlation Polarization (potential) |
| THEL | Tactical High Energy Laser |
| SIAM | Society For Industrial And Applied Mathematics |
| IMP | Inosine 5'-phosphate |
| DRF | Dose Reduction Factor |
| BHA | Butylated Hydroxyanisole |
| VDU | Visual Display Unit |
| L2 | Square Integrable (wave Function) (in Electron-atom Or -mol. Collisions) |
| FPLF | Field-programmable Logic Family |
| TTN | Technology Transfer Network |