| Acronym | Meaning |
| PSMO | Pseudo MO |
| ERP | Event-related Potential |
| GDR | German Democratic Republic |
| CGTO | Cartesian Gaussian-type Orbital |
| LOF | Lack Of Fit |
| UMP2 | Unrestricted Moeller-Plesset 2nd-order (perturbation Theory) |
| EDR | Electrodialysis Reversal |
| JPL | Jet Propulsion Laboratory |
| OAPP | Oxidized Atactic Polypropylene |
| FMAR | Ferromagnetic Antiresonance |