| Acronym | Meaning |
 | GWPM | Gaussian Wave-packet Method |
 | NAIMA | North American Insulation Manufacturers Association |
 | ECCF | Exchange Correlated Crystal Field |
 | GIXR | Grazing Incidence X-ray Reflectivity |
 | RBCOD | Readily Biodegradable Chemical Oxygen Demand |
 | EMR | Electron Magnetic Resonance |
 | UAPSP | Utility Acid Precipitation Study Program |
 | AJM | Abrasive Jet Machining |
 | SEGS | Solar Electric Generating System |
 | SCBA | Self-consistent Born Approximation |