| Acronym | Meaning |
| ESA | Electron Stimulated Adsorption |
| SC-SCF | Semiclassical Self-consistent Field |
| ATECT | Acetyl Triethyl Citrate |
| SOP/ED | Split-operator Propagator (for) Electronically Diabatic (phenomena) |
| ARM | Agricultural Runoff Model |
| KEDF | Kinetic-energy Density Functional |
| CMA | Cylindrical Mirror Analyzer |
| ICRF | Ion Cyclotron Range Of Frequencies |
| ISC | Industrial Source Complex |
| ACT | Activated Complex Theory |