| Acronym | Meaning |
| SIS | Stepwise Isothermal Segregation |
| LID | Laser Implant-deposition |
| PSXD | Position Sensitive X-ray Detector |
| RTNS | Rotating Target Neutron Source |
| PSL | Polystyrene Latex |
| LAMPRE | Los Alamos Molten Plutonium Reactor Experiment |
| ASR | Alkali-silica Reaction |
| ERPF | Effective Renal Plasma Flow |
| WLA | Waste Load Allocation |
| WSIA | Water Supply Improvement Association |