| Acronym | Meaning |
| SOCI | Second-order Configuration Interaction |
| CTEB | Carcinogenesis And Toxicologic Evaluation Branch |
| RADM | Regional Acid Deposition Model |
| HESC | Human Embryonic Stem Cell |
| SDIM | Scaled Diatomics-in-molecules |
| DOS | Density Of States (in Band Structures) |
| VTA | Ventral Tegmental Area |
| FKBP | FK506 Binding Protein |
| SINNMR | Sonically Induced Narrowing Of The NMR Spectra Of Solids |
| CEGB | Central Electricity Generating Board |