| Acronym | Meaning |
| FES | Field Emission Spectroscopy |
| AOB | Analytical Operations Branch (OSWER) |
| APAES | Appearance Potential Auger Electron Spectroscopy |
| BHGM | Borehole Gravity Meter |
| AAMI | Association For The Advancement Of Medical Instrumentation |
| DCB | Double-cantilever Beam |
| SULEV | Super Ultra-low Emission Vehicle |
| PMR | Proportional Mortality Ratio |
| USDW | Underground Source Drinking Water |
| HEP | High Energy Physics |