| Acronym | Meaning |
| FRC | Frozen Core Approxn. |
| CCGM | Cabrera-Celli-Goodman-Manson (at. Scattering Theory) |
| NPIRS | National Pesticide Information Retrieval System |
| QMAR | Quantitative Migration-activity Relationship |
| PVO | Pseudovalence Orbital |
| LGO | Light Gas Oil |
| CEM | Continuous Emissions Monitoring |
| ESRF | European Synchrotron Radiation Facility |
| NMN | Nicotinamide Mononucleotide |
| SOHIC | Stress-oriented Hydrogen-induced Cracking |