| Acronym | Meaning |
| SCCP | Strong-coupling Correspondence Principle |
| MOPW | Modified Orthogonalized Plane Wave |
| CEE | Center For Environmental Education |
| EDRS | Enforcement Document Retrieval System |
| DIAL | Differential Absorption Lidar (laser Radar Sensing) |
| START | Strategic Arms Reduction Treaty |
| TVS | Total Volatile Solids |
| ADS | Accelerator Driven System |
| IGAIM | Individual Gages (for) Atoms In Molecules |
| QHA | Quasi-harmonic Approxn. (in Intramol. Vibrational Relaxation) |