| Acronym | Meaning |
| RR | Round Robin (test) |
| NADP | Nicotinamide Adenine Dinucleotide Phosphate |
| LASCS | Light-activated Silicon Controlled Switch |
| CBS | Complete Basis Set |
| CBM | Carbon Bond Mechanism (air Pollution Modeling) |
| SDSR-CI | Single And Double Excitations From Single Ref. State Function-CI Method |
| PSIT | Plasma Source Ion Trap |
| SCIAMACHY | SCanning Imaging Absorption SpectroMeter For Atmospheric CHartographY |
| OCEE | Overlap Corrected Electronegativity Equalization |
| GDEPT | Gene-directed Enzyme Prodrug Therapy |