| Acronym | Meaning |
| RRS | Resonance Rayleigh Scattering |
| HEI | Highly Exposed Individual |
| PAIR | Preliminary Assessment Information Rule |
| FTC | Federal Trade Commission |
| HFRW | High Frequency Resistance Welding |
| ENFET | Enzyme Field-effect Transistor |
| TEAMS | Trace Element Accelerator Mass Spectrometry |
| CLF | Current Literature File |
| CFT | Conformal Field Theory |
| EDF | Energy Density Functional (theory In Electronic-property Calcn.) |