| Acronym | Meaning |
| MSZ | Magnesia-stabilized Zirconia |
| FED | Field Emission Display |
| IUE | International Ultraviolet Explorer |
| ERMM | Effective R-matrix Model (in Reactive Electron-mol. Scattering) |
| CASS | Cyclic Activated Sludge System |
| TRC | Total Residual Chlorine |
| CFMM | Continuous Fast Multipole Method (algorithm For Coulomb Interactions Among Charge Distributions) |
| EIAP | Environmental Impact Analysis Process |
| RMP | Restricted Moeller-Plesset |
| CCAM | Charge-conserving Approxn. Method (for Quantum Calcns.) |