| Acronym | Meaning |
| RASA | Regional Aquifer Systems Analysis (program Of USGS) |
| CBS | Complete Basis Set |
| QMRE | Quantum Mechanical Resonance Energy |
| CCWP-J | Close Coupling Wave Packet [in Total Angular Momentum] J [representation] (for Collision Calcns.) |
| ATMS | Assumption-based Truth Maintenance System |
| SSF | Space Station Freedom |
| DCQAP | Data Collection Quality Assurance Plan |
| ICNIRS | International Council For Near Infrared Spectroscopy |
| IRC | Information Resource Center |
| CDP | Cytidine 5'-diphosphate |