| Acronym | Meaning |
| PCAS | Passive Cavity Aerosol Spectrometer |
| AWWA | American Waterworks Association |
| AEROCE | Air Ocean Exchange Experiment |
| BSD UNIX | Berkeley Software Distribution UNIX |
| MPS | Mesoscale Prediction Section |
| ERTD | Environmental Research & Technology Division |
| URC | University Relations Committee |
| TROPEX | Tropical Experiment |
| BFS | Business And Financial Services |
| IWC | Ice Water Content |