| Acronym | Meaning |
| LAXRD | Low-angle X-ray Diffraction |
| SARA | Smad Anchor For Receptor Activation |
| LSER | Linear Solvation Energy Relationship |
| PINN | Proposed International Nonproprietary Names (for Drugs) |
| MGMT | O6-methylguanine-DNA Methyltransferase |
| PRMO | Partially Restricted Molecular Orbital |
| FRC | Frozen Core Approxn. |
| DEM | Digital Elevation Model |
| ACPCSA | Adiabatic Capture Partial Centrifugal Sudden Approximation |
| VPAM | Variable Phase Amplitude Method (for Electron-atom Scattering) |