| Acronym | Meaning |
| UNIDO | United Nations Industrial Development Organization |
| MCS | Management Control System |
| WINDII | Wind Imaging Interferometer |
| APD | Azimuthal Photoelectron Diffraction |
| STERAO | Stratosphere-Troposphere Experiments: Radiation |
| DZDP | (double Zeta)-diffuse-polarization (basis Set In Configuration-mixing Mo Calcns. On Mols.) |
| ONCV | Orthonormality Constrained Variation (quantum Method) |
| GE-PIXE | Grazing-exit Particle-induced X-ray Emission |
| RFA | Retarding Field Analyzer |
| FLMTO | Film Linearized Muffin-tin Orbital (for Surface Electronic Structure Calcns.) |