| Acronym | Meaning |
| CPT | Coulomb Wave-plane Wave (description With) Truncated (treatment) |
| SOP | Second-order Potential (method For Positron-atom Scattering) |
| BAZ | Best Atom Zeta Basis Set |
| GMAD | Geometric Mean Aerodynamic Diameter |
| QDM | Quantum Defect Method |
| EID | Environmental Improvement Division |
| WWTP | Wastewater Treatment Plant Or Process |
| EPXMA | Electron Probe X-ray Microanalysis |
| IOM | Institute Of Occupational Medicine |
| DSDV | Dirac-Slater Discrete Variational |