| Acronym | Meaning |
| FGD | Flue Gas Desulfurization |
| VMD | Vector Meson Dominance |
| TPQ | Threshold Planning Quantity |
| PTM | Posttranslational Modification |
| SOP | Second-order Potential (method For Positron-atom Scattering) |
| AHMM | Academy Of Hazardous Materials Management |
| PEXAFS | Photoemission Extended X-ray Absorption Fine Structure |
| BALP | Bone Alkaline Phosphatase |
| SERM | Selective Estrogen Receptor Modulator |
| DQ-MBPT | Double And Quadruple Excitation Diagrams In Many-body Perturbation Theory |