| Acronym | Meaning |
| PMR | Pressure Modulator Radiometer |
| MTTF | Mean Time To Failure |
| MRB | Materials Review Board |
| BATGE | Biosphere-Atmosphere Trace Gas Exchange In The Tropics |
| ANPR | Advance Notice Of Proposed Rulemaking |
| SICIMS | Selected Iron Chemical Ionization Mass Spectrometry (or Spectrometer |
| EMF | Electromotive Force |
| WERC | World Environment And Resources Council |
| TOPS | Transcendental Operating System |
| ATSD | Assistant To The Secretary Of Defense |