| Acronym | Meaning |
| MRBW | Multireference Brillouin-Wigner |
| ANPR | Advance Notice Of Proposed Rulemaking |
| CPSS | Coulomb-repulsion Perturbed Stationary State |
| SCIAMACHY | SCanning Imaging Absorption SpectroMeter For Atmospheric CHartographY |
| MUCS | Minimum-uncertainty Coherent States (wave Functions) |
| RFM | Relativistic Mean Field |
| APNO | Atomic Pair Natural Orbital |
| CCSP | Constant Current Stripping Potentiometry |
| STM | Space-translation Method (in Atomic Collision Calcn.) |
| AOT60 | Accumulated Ozone Exposure Above A Threshold Value Of 60 Ppb |