| Acronym | Meaning |
| CASH | Commercial Aviation Sensing Of Humidity |
| ACV | At-completion Variance |
| PAN | Peroxyacyl Nitrates |
| ICCP | International Commission Of Clouds And Precipitation |
| UHV | Use An Ultrahigh Vacuum |
| DOPLID | Doppler Lidar |
| NTP | Network Time Protocol |
| OSI | Open Systems Interconnection |
| NASN | NASN Cascade Impacter In Aerosol Studies |
| DBMS | Data Base Management System |