| Acronym | Meaning |
| ATDHF | Adiabatic Time-dependent Hartree-Fock |
| CAS-SI | Complete Active Space-state Interaction |
| INQUA | International Association For Quaternary Research |
| IIAES | Ion Induced Auger Electron Spectroscopy |
| CPE | Controlled-potential Electrolysis |
| FUMI | Function Of Mutual Information |
| FMDF | Fixed Mirror Distributed Focus (solar Concentrator) |
| REA | Reactive Arthritis |
| ZRPA | Zero-range Potential Approximation |
| MR-MP | Multireference Moeller-Plesset (perturbation Theory) |