| Acronym | Meaning |
| CDD | Chlorinated Dibenzo-p-dioxin |
| HMIP | Her Majesty's Inspectorate Of Pollution |
| LIBORS | Laser Ionization Based On Resonance Saturation |
| DZRS | Double Zeta Roos-Siegbahn (wave Functions) |
| TDMCSCF | Time-dependent MC-SCF |
| SPLEED | Spin Polarized Low-energy Electron Diffraction |
| ICRF | Ion Cyclotron Range Of Frequencies |
| ECCF | Equilibrium Charge-charge Flux (model In Ir Spectra Calcns.) |
| CSD | Charge State Distribution |
| BGK | Bhatnagar-Gross-Krook (kinetic-theory Model For Reactive Collisions) |