| Acronym | Meaning |
| ARPES | Angle-resolved Photoelectron Spectroscopy |
| QDA | Quadratic Discriminant Analysis |
| FAAO | Free-atom Atomic Orbital |
| ARUPS | Angle-resolved Ultraviolet Photoelectron Spectroscopy |
| CAMAC | Computer Automated Measurement And Control |
| SEE | Static Exact Exchange (approxn. In Electron-mol. Scattering) |
| SAFM | Scanning Attractive Force Microscopy |
| PWHF | Plane-wave Hartree-Fock |
| ISRI | Institute Od Scrap Recycling Industries |
| CPAC | Center For Process Analytical Chemistry |