| Acronym | Meaning |
| MRSD-CI+D | MRSD-CI (with) Davidson Correction |
| CHEMATA | Chem. Mechanism Adaptation To Tropospheric Applications |
| PTEN | Phosphatase And Tensin Homolog (mutated In Multiple Advanced Cancers 1) |
| CDFT | Chemical-density-functional Theory |
| SLMO | Symmetry-adapted Semilocalized Molecular Orbital |
| COMFA | Comparative Molecular Field Analysis |
| AFPAL | Air Force Phillips Astronautics Laboratory (USA) |
| CCM | Cyclic Cluster Model (in CNDO For Deep Levels In Solids) |
| REFET | Ref. Field Effect Transistor |
| SAPHIR | Spectrometer Arrangement For Photon Induced Reactions |