| Acronym | Meaning |
| MAN | Metropolitan Area Network |
| USDI | United States Department Of Interior |
| PWV | Precipitable Water Vapor |
| ALCM | Air-launched Cruise Missile |
| CB | Cumulonimbus |
| ISO | International Standards Organization |
| NGTG | NCAR GARP Task Group |
| PAKIT | Photochemistry And Kinetics Of Important Trace Gases |
| ESIS | ESA Space Information Systems |
| OECD | Organization For Economic Cooperation And Development |