| Acronym | Meaning |
| WWAP | World Water Assessment Programme |
| OHAO | Orthogonalized Hybrid Atomic Orbital |
| HEXS | High-energy X-ray Scattering |
| DCRF | Die Casting Research Foundation |
| HWGTF | Hazardous Waste Groundwater Task Force |
| LMFBR | Liquid-Metal Fast Breeder Reactor |
| XPM | X-ray Photoelectron Microscopy |
| SOLVE | SAGE III Ozone Loss And Validation Experiment |
| AET | Apparent Effects Thresholds |
| NERD | Neutron Elastic Recoil Detection |