| Acronym | Meaning |
| RXES | Resonant X-ray Emission Spectra |
| EPI | Echo-planar Imaging |
| EMEG | Environmental Media Evaluation Guides |
| NOPES | Nonoccupational Pesticide Exposure Study |
| HSPF | Hydrological Simulation Program-Fortran |
| STN | Subthalamic Nucleus |
| APOE | Apolipoprotein E |
| PHE | Potentially Harmful Element |
| KBDS | Knowledge-based Design System |
| PAGE | Policy Analysis Of The Greenhouse Effect |