| Acronym | Meaning |
| API | Air Pollution Index |
| PRESTO | Prediction Of Radiological Effects To Shallow Trench Operation |
| TFTR | Tokamak Fusion Test Reactor |
| FRM | Fiber-reinforced Metals |
| FFPC | Forced-flow Planar Chromatog. |
| FODA | Fiber Optic Doppler Anemometry |
| RASA | Regional Aquifer Systems Analysis (program Of USGS) |
| LPFG | Long-period Fiber Grating |
| MCM | Minichromosome Maintenance |
| RPP | Reverse Pulse Polarography |