| Acronym | Meaning |
| KEDF | Kinetic-energy Density Functional |
| RIA | Regulatory Impact Analysis |
| STD | Safely Tolerated Dose |
| BFEM | Bright Field Electron Microscopy |
| UNFCCC | United Nations Framework Convention On Climate Change |
| FSC | Fluorescent Solar Concentrator |
| NRDC | Natural Resources Defense Council |
| IOSVR | Infinite Order Sudden Vib-rotor Approximation |
| EXFAS | Extended Fine Auger Structure |
| COMA | Cyclic Olefin Maleic Anhydride |