| Acronym | Meaning |
| MCPA | Molecular Coherent-potential Approximation |
| LFC | Lowest Feasible Concentration |
| CSRR | Coupled-state Rigid-rotor |
| GFCS | Gas Filter Correlation Spectroscopy |
| NAA | Nonattainment Area |
| HFJ | Hartree-Fock-Jucys (in Electron-correlation Corrections Calcn.) |
| HOE | Holographic Optical Element |
| GTSSP | Global Temperature And Salinity Pilot Program |
| TFFF | Thermal Field Flow Fractionation |
| AST | Aspartate Aminotransferase |