| Acronym | Meaning |
| HAN | Halogenated Acetonitrile(s) |
| GA | Glauber Approximation (in Electron-atom Scattering) |
| EBL | Extragalactic Background Light |
| TAME | Tert-amyl Methyl Ether |
| HIID | Heavy Ion Induced Desorption |
| BSPT | Blizzard Santry Perturbation Theory |
| ECAE | Equal Channel Angular Extrusion |
| ACC | Aquifer Contamination Control |
| ANT | Adenine Nucleotide Translocator |
| LAPW | Linearized Augmented Plane Wave (for Band-structure Calcns.) |