| Acronym | Meaning |
| PBDD | Polybrominated Dibenzodioxin(s) |
| OTC | Ozone Transport Commission |
| LCLS | Linac Coherent Light Source |
| PBM | Photochem. Box Model |
| LBSF | Local Back Surface Field (solar Cells) |
| PBG | Photonic Band Gap |
| CSTR | Continuously Stirred Tank Reactor |
| AA | Aluminum Association |
| LCGTO-FF | LCGTO-fitting Function |
| GFCS | Gas Filter Correlation Spectroscopy |