| Acronym | Meaning |
| AWWARF | American Water Works Association Research Foundation |
| DPT | Degenerate Perturbation Theory |
| SHADOZ | Southern Hemisphere Additional Ozone Sounding Program |
| LCFC | Linear Combination Of Fragment Configuration |
| LEMO | Lowest Empty Molecular Orbital (equivalent To LUMO) |
| SPMD | Semipermeable Membrane Device |
| REACH | Registration |
| REMPI | Resonance-Enhanced Multiphoton Ionization (for Mass Spectrometry) |
| MFE | Mercury Film Electrode |
| TLM | Triple Layer Model (of Adsorption) |