| Acronym | Meaning |
| SPUPS | Spin Polarised Ultraviolet Photoelectron Spectroscopy |
| CPDW | Circumpolar Deep Water |
| QC-SCF | Quadratically Convergent SCF (for Closed-shell Systems) |
| MORE | Micro-optical Ring Electrode |
| ECQB | Electrochemical Quartz Crystal Balance |
| TOMS | Total Ozone Mapping Spectrometer |
| CTA | Classical Trajectory Approximation (in Mol.-collision Calcns.) |
| CSA | Coupled Static Approxn. (in Scattering Calcns.) |
| RITE | Research Institute Of Innovative Technology For The Earth (Japan) |
| BAT | Biol. Tolerance Value (German Std.) |