| Acronym | Meaning |
| MIDDAS | Microdiameter Depth Adsorption Systems |
| MUSAC | Measurement Uncertainty Software In Analytical Chemistry |
| RAM | Renormalized Atom Model (for Electronic-structure Calcns.) |
| ISGO | International Structural Genomics Organization |
| HMBP | Hazardous Materials Business Plan |
| PUF | Polyurethane Foam |
| MC-TD-SCF | Multiconfiguration-time Dependent-self-consistent Field |
| EMT | Effective-medium Theory (of Bonding In Metallic Systems) |
| SAXPS | Selected Area X-ray Photoelectron Spectroscopy |
| PWTM | Plane-wave T-matrix (for Electron-atom Scattering) |