| Acronym | Meaning |
| EDRS | European Data Relay Satellite |
| EFTC | European Fluorocarbon Technical Committee |
| MAMOS | Marine Automatic Meteorological Observing Station |
| NEXUS | Next-generation Upper-air Sounding System |
| STEM | Science Technology Engineering And Mathematics |
| EMACS | An On-line Text Editor Distributed As Part Of The GNU Package Of UNIX Software |
| MSS | Mass Storage System |
| AWWA | American Waterworks Association |
| ESTSC | Energy Science And Technology Software Center |
| ASE | Amplified Spontaneous Emission |