| Acronym | Meaning |
| GBH | Gravel Bed Hydroponic System (for Wastewater Treatment) |
| PFEO | Perimeter Free Electron Orbital |
| CRP | Carbon Fiber Reinforced Plastics |
| PACT | Process Automation Configuration Tool [EPRI Software] |
| ITER | International Toxicity Estimates For Risk |
| ERCS | Elastic Recoil Coincidence Spectroscopy |
| ATLAS | Atmospheric Laboratory For Applications And Science |
| ADA | Adenosine Deaminase |
| UASBR | Upflow Anaerobic Sludge Blanket Reactor |
| QFT | Quantum Field Theory |