| Acronym | Meaning |
| SOMO | Semioccupied Molecular Orbital |
| ACF | Autocorrelation Function |
| VFF | Valence Force Field (in Electronic-structure Calcns.) |
| PESO | Potentiometric Evaluation Of Substrate Oxidation |
| RCI | Restricted Configuration Interaction |
| AQMWA | Air Quality And Waste Management Association |
| HMWMC | Hazardous Materials And Waste Management Consortium |
| SPFM | Scanning Polarization Force Microscopy |
| COMP | Cartilage Oligomeric Matrix Protein |
| PEM | Proton Exchange Membrane |