| Acronym | Meaning |
| VPM | Variable Phase Method (for Electron-atom Scattering Calcns.) |
| APECS | Auger Photoelectron Coincidence Spectroscopy |
| NDBEPR | Nitrification-denitrification Biological Excess Phosphorus Removal |
| TAT | Technical Assistance Team |
| ESPT | Excited-state Proton Transfer |
| CCSC | Charge And Configuration Self-consistency |
| UDDS | Urban Dynamometer Driving Schedule |
| EAAPS | Electron-excited Auger-electron Appearance Potential Spectroscopy |
| RPC | Rotation Planar Chromatography |
| HUGO | Human Genome Organization |