| Acronym | Meaning |
| HOLZ | Higher Order Laue Zone |
| RFE | Relative Fit Error |
| PEIA | Programmatic Environmental Impact Analysis |
| WCDF | Worse Case Dilution Factor (in Receiving Water) |
| RAR | Retinoic Acid Receptor |
| FAKE | Fast Accurate Kinetic-energy (MO Method) |
| TBC | Toxicity Based Consent |
| FIRFT | Fast Inversion-recovery Fourier Transform |
| SWFM | Scanning Work Function Microscopy |
| TDKS | Time-dependent Kohn-Sham (d.-functional Operator Equation) |