| Acronym | Meaning |
| MCHF | Multiconfiguration Hartree-Fock |
| FIDA | Fluorescence Intensity Distribution Analysis |
| VSM | Variable Screening Model (for Quasimols. And MO Correlation Diagrams) |
| ELIF | Excimer Laser Induced Fragmentationpar |
| EOX | Extractable Organic Halides |
| HSC | Hyperspherical Coordinate (representation In Calcns. On Electron-atom Scattering) |
| AMBIENS | Atmospheric Mass Balance Of Industrially Emitted And Natural Sulfur |
| EVA | Ethylene-vinyl Acetate Copolymer |
| ORFEUS | Orbiting Retrievable Far And Extreme Ultraviolet Spectrometers |
| UTP | Unitary Transformation (based) Perturbation (theory) |