| Acronym | Meaning |
| MTX(ALPHA) | Muffin-tin X(alpha) Statistical Exchange |
| EARISS | Energy And Angle Resolved Ion Scattering Spectroscopy |
| RMTA | Rigid Muffin-tin Approxn. |
| WPT | Wave Packet Perturbation Theory |
| OVD | Outside Vapor Deposition |
| AEVO | Active Electron Virtual Orbital |
| FAFS | Flame Atomic Fluorescence Spectroscopy |
| FPT | Finite Perturbation Theory |
| PUMP | Pure (alpha-spin-state) Unrestricted Moeller-Plesset Nth-order (wave Function) |
| FACTS | Facilities And Company Tracking System |