| Acronym | Meaning |
| TSM | Thickness Shear Mode |
| FCM | Finite-cluster Model (for Calcns. On Electromigration) |
| WWAP | World Water Assessment Programme |
| BOA | Bond Orbital Approximation |
| NFP | Neurofilament Protein |
| VPM | Variable Phase Method (for Electron-atom Scattering Calcns.) |
| ACAT | Acyl-CoA: Cholesterol Acyltransferase |
| PTAW | Plasma Transfer Arc Weld |
| SPARC | Secreted Protein Acidic And Rich In Cysteine |
| UPD | Underpotential Deposition |