| Acronym | Meaning |
| OEMTB | One-electron Mol. Tight-binding (for Electronic Structure) |
| OMP | Optimized Model Potential |
| SLR | State And Local Relations |
| DOD | Dissolved Oxygen Deficit |
| WNL | Within Normal Limits |
| SIV | Simian Immunodeficiency Virus |
| RAFA | Rank Annihilation Factor Analysis |
| OBS-MCSC | Optimized Basis Set-multiconfiguration Spin Coupled |
| CDP | Contracted Density Product (in Simplification Of MO Calcns.) |
| SINK | Saturation Internuclear Kinetics |