| Acronym | Meaning |
| ABLE | Atmospheric Boundary Layer Experiments |
| EELFS | Extended-energy-loss Fine-structure |
| HWGTF | Hazardous Waste Groundwater Task Force |
| IERM | Intermediate Energy R-matrix (theory In Scattering Calcns.) |
| VAM | Valid Analytical Measurement |
| CNLS | Complex Nonlinear Least Squares (data Fitting Method) |
| DRED | Dual Recursive Deconvolution |
| APU | Acid Purification Unit (acid Recovery System) |
| ZRPA | Zero-range Potential Approximation |
| HUDF | Hubble Ultra Deep Field |