| Acronym | Meaning |
| GDF | Generalized Density-functional (theory) |
| ECP | Exponential Corrugated Potential |
| CFS | Continuous Flow System |
| OCAP | Open-channel Air Preheater |
| CGL | Comprehensive General Liability Policy |
| BAMGAR | Barium Magnesium Germanate Garnet |
| FTM | Fault Tree Model |
| PWBA | Plane-Wave Born Approximation |
| NAPIAP | National Agricultural Pesticide Impact Assessment Program |
| MERT | Modified Effective-range Theory (for Electron-mol. Scattering) |