| Acronym | Meaning |
| AQMA | Air Quality Maintenance Area |
| FET | Field-effect Transistor |
| ERL | Electromagnetic Radiation Laboratory |
| MIESR | Matrix Isolation/Electron Spin Resonance |
| BAM | Berkeley Abstract Machine |
| MAN | Metropolitan Area Network |
| MTEM | Magnetosphere-Thermosphere Explorer Mission |
| AU | Astronomical Unit |
| ADS | Ancillary Data Service |
| PSA | Public Service Announcement (radio/TV Term) |