| Acronym | Meaning |
| IS | Ionization Spectroscopy |
| RFL | Resorcinol-formaldehyde Latex [dip Coating] |
| RNG | Renormalized Group Theory |
| FC | Frozen Core (approxn. For Electron-atom Scattering Calcns.) |
| HEWL | Hen Egg White Lysozyme |
| CI-TD-HG | Configuration Interaction Time-dependent Hartree Grid |
| CEDAR | Coupling, Energetics, And Dynamics Of Atm. Regions [project] |
| CWTM | Compound Weaire-Thorpe Model (in Electronic-structure Calcns.) |
| GM | Geometric Mean |
| RTPM | Radical Triplet Pair Mechanism |