| Acronym | Meaning |
| CIR | Cylindrical Internal Reflection |
| HASL | Hypothetical Active Site Lattice |
| MET | Many Electron Theory (for Singlet Ground State) |
| CBOD | Carbonaceous Biochemical Oxygen Demand |
| STIB | Stratosphere-Troposphere Interactions And The Biosphere |
| PDI | Point Dipole Interaction (model For Mol.-polarizability Calcns.) |
| MSC | Molecular Simulated Crystal Method (in Compton Profile Calcns.) |
| PPKTP | Periodically Poled KTiOPO4 |
| EROD | Ethoxyresorufin-O-deethylase (REG 59793-97-4) |
| CAD | Coronary Artery Disease |