| Acronym | Meaning |
| PRMO | Partially Restricted Molecular Orbital |
| WTRXLPE | Water-tree Retardant Crosslinked Polyethylene [elec. Insulation] |
| AEM | Analytical Electron Microscopy |
| VLA | Very Large Array |
| EXOSAT | European X-ray Observatory Satellite |
| GRI | Gas Research Institute |
| IDOE | International Decade Of Ocean Exploration |
| CAMD | Computer Aided Material Design |
| SHM | Screened Hydrogenic Model (for Electronic Structure In Plasmas) |
| PCAD | Power Conditioning And Distribution (in Spacecraft) |