| Acronym | Meaning |
| ACPQ | Approx. Coupled-pair (theory Cor. For Connected) Quadruply (excited Clusters) |
| PSI | Pollution Standard Index |
| SINDO | Scaled Intermediate Neglect Of Differential Overlap |
| ATR | Attenuated Total Reflectance |
| MIR | Multiple Internal Reflection |
| SEB | Staphylococcal Enterotoxin B |
| MCR | Metabolic Clearance Rate |
| ESMS | Electrospray Ionization Mass Spectrometry |
| ELSA | Electron Stretcher Accelerator |
| VGO | Virgin Gas Oil |