| Acronym | Meaning |
| IRAS | Infrared Astronomy Satellite |
| THAA | Total Hydrolyzable Amino Acids |
| WQR | Waste Form Qualification Report |
| AS | Air Stripping |
| CMF | Completely Mixed Flow |
| CFSTR | Continuous Flow Stirred Tank Reactor |
| OVGF | Outer-valence Green Function (for Ionization-energy Calcns.) |
| IEMP | Integrated Environmental Management Project |
| SBCOD | Slowly Biodegradable Chemical Oxygen Demand |
| PSEP | Polyhedral Skeletal Electron Pair (for Metal Clusters) |