| Acronym | Meaning |
| PF | Polar Front |
| IOS | Infinite Order Sudden Approximation |
| CHEMATA | Chem. Mechanism Adaptation To Tropospheric Applications |
| ALS | Advanced Light Source |
| LRT | Long Range Transport |
| UKB | Unrestricted Kinetic Balance (in Calcns. Of Wave Functions And Energies) |
| NN-TB | Nearest-neighbor Tight Binding |
| VIVAH | Vibrational Variational Hyperspherical (for Mol. Calcns.) |
| MSC | Multiplicative Scatter Correction |
| LOCI | Luminescence Oxygen Channeling Immunoassay |