| Acronym | Meaning |
| TID | Thermionic Ionization Detector |
| CSTR | Continuously Stirred Tank Reactor |
| LIDT | Laser-induced Damage Threshold |
| ETD | Enhanced Trickle Down (watershed Acidification Model) |
| DBE | Distorted-wave Born Exchange |
| HSD | Hyperspherical Diabatic (wave Functions) |
| HLAO | High-lying Antibonding Orbital |
| NOPES | Nonoccupational Pesticide Exposure Study |
| HAGAR | High Altitude Gas Analyzer |
| AAPS | American Association Of Pharmaceutical Scientists |