| Acronym | Meaning |
| DIBA | Diisobutyl Adipate |
| GNMP | Generalized Nonlocal Model Potential |
| BPCT | Best Practicable Control Technology |
| SLS | Sequential Lateral Solidification |
| TLS | Two-level System (with Tunneling Transitions Between Wells Of Double-well Potential) |
| ETU | Ethylene Thiourea (carcinogen |
| CCSR | Calcium Carbonate Saturation Ratio |
| APMP | Acid Precipitation Mitigation Program |
| GHRS | Goddard High Resolution Spectrograph |
| RWA | Rotating Wave Approximation |