| Acronym | Meaning |
| TSA | Thermal Swing Adsorption |
| CFS | Chemical Fixation And Solidification (of Hazardous Wastes) |
| EGR | Exhaust Gas Recirculation |
| TDVPT | Time-dependent Variation-perturbation Theory |
| ISPAC | International Society For Polycyclic Aromatic Compounds |
| CCE | Charge Composition Explorer |
| EDW | Exponential Distorted Wave Approximation |
| BMW | Boiler Maintenance Workstation [EPRI Software] |
| SIBFA | Sum (of) Interactions Between Fragments (computed) Ab Initio |
| FWA | Fluorescent Whitening Agent |