| Acronym | Meaning |
| RTNS | Rotating Target Neutron Source |
| TPSR | Temp.-programmed Surface Reaction |
| EMSA | Electron Microscopy Society Of America |
| HTGR | High-Temperature Gas Reactor |
| IPHAS | The INT/WFC Photometric H-alpha Survey Of The Northern Galactic Plane |
| PNO | Pseudonatural Orbital |
| CRABP | Cellular Retinoic Acid-binding Protein |
| HMR | Hazardous Materials Regulations |
| NPPC | Nuclear Power Plant Consultant |
| ICAME | International Commission On Application Of Moessbauer Effect |