| Acronym | Meaning |
| TDC | Time-to-Digital Converter |
| HFSE | High Field Strength Element(s) |
| SPHF | Spin-polarized Hartree-Fock |
| SPE | Solid Phase Epitaxy |
| LSD-GX | Local Spin Density Functional-generalized Exchange |
| MMP | Matrix Metalloproteinase |
| MPT | Matrix Perturbation Theory |
| SEU | Single Event Upset (in Spacecraft Power Systems) |
| RS-LMTO-ASA | Real Space-linear Combination Of Muffin-tin Orbitals-atomic Sphere Approxn. |
| EBPR | Enhanced Biol. Phosphorus Removal |