| Acronym | Meaning |
| IRES | Infrared Emission Spectroscopy |
| AWSAR | Annual Whole Sludge Application Rate |
| HFMD | Hellmann-Feynman Mol.-dynamics (method In Electronic Structure And Geometry Calcns.) |
| EVA | Extravehicular Activity (related To Spacecraft) |
| ACEEE | American Council For An Energy Efficient Economy |
| APF | Acidulated Phosphate Fluoride |
| SIM | Selected Ion Monitoring |
| PCV | Positive Crankcase Ventilation |
| FREDOPS | Fast Response Electrochromic Device On Polymeric Substrate |
| STOM | Scanning Tunneling Optical Microscopy |