| Acronym | Meaning |
| PSEP | Polyhedral Skeletal Electron Pair (for Metal Clusters) |
| OSTP | Office Of Science And Technology Policy |
| GTF | Gaussian-type (wave) Function |
| DEPT | Distortionless Enhancement By Polarization Transfer |
| MMC | Molecular Mechanics For Clusters Model |
| DCASV | D.c. Anodic Stripping Voltammetry |
| AWPCF | Air And Water Pollution Control Facilities |
| DC | Direct Current |
| CNES | Centre National D'Etudes Spatiales (French Space Center) |
| DQT | Dissipative Quantum Tunneling (theory) |