| Acronym | Meaning |
| UMP | Unrestricted Moeller-Plesset |
| EBDC | Ethylenebis(dithiocarbamate) (fungicide) |
| APB | Antiphase Boundary (crystal Chemistry) |
| PAG | Photoacid Generator |
| PDGF | Platelet-derived Growth Factor |
| WWT | Wastewater Treatment |
| SGPR | Specific Gas Production Rate |
| IMPT | Intermolecular Perturbation Theory |
| HASP | Harmonically Analyzed Sensitivity Profile |
| SANO | Symmetry-adapted Natural Orbital |