| Acronym | Meaning |
| HRS | Hazard Ranking System |
| LCGO | Linear Combination Of Gaussian Orbitals |
| NLGI | National Lubricating Grease Institute |
| AQF | American Quality Foundation |
| DOFS | Distributed Optical Fiber Sensing |
| TFR | Transferrin Receptor |
| ADPI | Air Diffuser Performance Index |
| EVLSM | Evanescent Wave Light-scattering Microscopy |
| NLLSQ | Nonlinear Least Squares |
| EQL | Estimated Quantitation Limit |