| Acronym | Meaning |
| FAD | Flavin Adenine Dinucleotide |
| AFM | Atomic Force Microscopy |
| HTL | Hole Transport Layer |
| UCEPA | Unitary Coupled Electron Pair Approximation |
| ISA | Ionic Strength Adjuster |
| PBL | Planet Boundary Layer (in Atmospheric Chemistry And Physics) |
| HWRAP | Hazardous Waste Remedial Actions Program |
| LBE | Lance Bubbling Equil. |
| AMTIC | Ambient Monitoring Technology Information Center |
| ORACLE | Ozone Research Using Advanced Cooperative Lidar Experiment |