| Acronym | Meaning |
| LAWS | Laser Atmospheric Wind Sounder (NASA) |
| ESE MO | Essential-structure-elements Molecular Orbital |
| SULEV | Super Low Emission Vehicle |
| CHC | Chlorinated Hydrocarbon |
| HREELS | High-resolution Electron Energy-loss Spectroscopy |
| PCO | Perturbational Crystal Orbital |
| RESS | Rapid Expansion Of Supercritical Solution |
| VD-RIOS | Vibrational Diabatic-rotational Infinite Order Sudden |
| ENSO | El Nino Southern Oscillation |
| NL-SCF | Nonlocal (density Functional)-self-consistent Field |