| Acronym | Meaning |
| FFEM | Freeze-fracture Electron Microscopy |
| IEL | Independent Electron (model In Ion-impact Ionization Calcns.) |
| DECENT | Distribution Of Exact Classical Energy Transfer Approximation |
| SSW | Solid-state Welding |
| ANR | Adiabatic Nuclear Rotation (in Calcns. On Mol. Collisions) |
| EXPRESSO | Experiment For Regional Sources And Sinks Of Oxidants |
| EDA | Emergency Declaration Area |
| IHMM | Institute Of Hazardous Materials Management |
| FRTP | Fiber-reinforced Thermoplastic |
| POTW | Publicly Owned Treatment Works |