| Acronym | Meaning |
| HACCP | Pathogen Reduction And Hazard Analysis Critical Control Point |
| XRES | X-ray Emission Spectroscopy |
| TDVP | Time-dependent Variational Principle (in Scattering Calcns.) |
| PEM | Performance Evaluation Material |
| RPJ | Radio-frequency Plasma Jet |
| MEPC | Marine Environment Protection Committee |
| JISC | Japanese Industrial Standards Committee |
| TRUEX | Transuranic Extraction |
| PIET | Photoinduced Intramolecular Electron Transfer |
| LCLS | Linac Coherent Light Source |