| Acronym | Meaning |
| EIIP | Emission Inventory Improvement Program |
| FOWL | Fossil Fuel Waste Leaching (computer Program) |
| QAPW | Quadratic Augmented Plane Wave (in Band-structure Calcn.) |
| PAIR | Preliminary Assessment Information Rule |
| DWTM | Distorted Wave T-matrix (for Electron-atom Scattering) |
| DIMOX | Direct Metal Oxidn. |
| LIGO | Laser-interferometer Gravitational-wave Observatory |
| SCC | Self-consistent Charge Method |
| ZSM | Zeolite Socony Mobil |
| MPA | Multipurpose Additive |