| Acronym | Meaning |
| CPR | Chemically Perturbed Region |
| ERM | Electron Redistribution Model |
| RHEED | Reflection High-energy Electron Diffraction |
| LIP | Laser-induced Plasma |
| RSRG | Real-space Renormalization Group (method In Calcn. Of Green Functions For Electrons In Crystals) |
| FPM | Fine Particulate Matter |
| ANWAP | Arctic Nuclear Waste Assessment Program |
| NEAT | Near Earth Asteroid Tracking |
| SAPK | Stress-activated Protein Kinase |
| RD | Remedial Design |