| Acronym | Meaning |
| PSA | Public Service Announcement (radio/TV Term) |
| BCAPS | Biological Component Of The Air Pollution Studies |
| SMA | Segnalamento Marittimo Ed Aereo |
| SZOLD | Skewed Zeroth Order Logaorithmic Distribution Function |
| RAP | Remedial Action Plan |
| LES | Large-eddy Simulation |
| GPS | Geophysical Processor System |
| AM | Audio Modulation |
| APU | Auxiliary Power Unit |
| DEA | Drug Enforcement Administration |