| Acronym | Meaning |
| ZID | Zone Of Initial Dilution |
| LOIS | Land-Ocean Interaction Study |
| SCIA | Semiclassical Impact Approxn. (in Ionizing At. And Mol. Collision Calcns.) |
| IPN | Interpenetrating Polymer Network |
| MIDI | Split Valence Plus Polarization Function (basis Set) |
| RBR | Reductive Burning Recovery |
| EPA | Extended Pair Approxn. (in Elec. Cond. Calcn.) |
| LAO | London Atomic Orbital |
| MIKE | Mass-analyzed Ion Kinetic Energy (spectrometry) |
| EKB | Einstein-Brillouin-Keller (quantization Method) |