| Acronym | Meaning |
| TDA-2PH | Two-particle One Hole Tamm-Dancoff Approximation |
| PCA | Polar Cap Absorption |
| NPPC | Nuclear Power Plant Consultant |
| REP | Radiological Emergency Planning |
| IFANT | International Foundation For The Advancement Of Nondestructive Testing |
| ECP | Exchange Core Polarization |
| SCANIIR | Surface Composition Analysis By Neutral And Ion Impact Radiation |
| RRPT | Registered Radiation Protection Technologist |
| ICSC | International Chemical Safety Card |
| MAO | Methyl Aluminoxanes |