| Acronym | Meaning |
| ACRIM | Active Cavity Radiometer Irradiance Monitor |
| AWU | Atomic Weight Unit |
| MLS | Microwave Limb Sounder |
| JHU | Johns Hopkins University |
| BOR | Burnout Risk |
| LLWAS | Low-Level Wind Shear Alert System |
| K | A Symbol For Planetary Wave Number |
| EH | Oxidation Potential |
| ACDF | Advanced Chemical Diagnostics Facility |
| CASS | Computer-Assisted Surveillance System |