| Acronym | Meaning |
| FIRST | Faint Images Of The Radio Sky At Twenty Centimeters |
| ARM | Agricultural Runoff Model |
| SOD | Sediment Oxygen Demand |
| ISAW | Interactive Self-avoiding Walk [modeling] |
| DO | Diatomic Orbital |
| PDAP | Poly(diallyl Phthalate) |
| CAFE | Corporate Average Fuel Economy |
| SAM | Scanning Acoustic Microscopy |
| CARL | Colorado Association Of Research Libraries |
| ANATEX | Across North America Tracer Experiment |