| Acronym | Meaning |
| OEMTB | One-electron Mol. Tight-binding (for Electronic Structure) |
| ATA | Average T-matrix Approximation |
| SREL | Savannah River Ecology Laboratory |
| AFR | Air To Fuel Ratio |
| ARE | Androgen-responsive Element |
| DWC | Deasphalted Whole Crude |
| PO-DVR | Potential Optimized-discrete Variable Representation |
| FIMS | Fine-split IR Multispectral Scanner (for Remote Sensing) |
| MIMS | Magnetic Field Induced Mixing Of Sublevels |
| GCMC | Grand Canonical Monte Carlo |