| Acronym | Meaning |
| HMIP | Her Majesty's Inspectorate Of Pollution |
| CTC | Charge-transfer Complex |
| SCCWRP | Southern California Coastal Water Research Project |
| AUBF | Anaerobic Upflow Biofilter |
| SEDRA | Simple Excitation For The Dephasing Of Rotational-echo Amplitudes |
| ACL | Alternative Concentration Limit |
| VGAO | Variable Gage Atomic Orbital |
| OSAILS | Optical Sensor Array And Integrated Light Source |
| VSM | Variable Screening Model (for Quasimols. And MO Correlation Diagrams) |
| FBA | First Born Approximation |