| Acronym | Meaning |
| ODW | Omega Dropwindsonde |
| STS | Space Transportation System |
| MP | MASnet Code For The Xerox 4050 Laser Printers |
| IRMS | Isotope Ratio Mass Spectrometer |
| OCTA | Oxidizing Capacity Of The Troposphere Atmosphere |
| AMC | Appraisal Management Center |
| BSR | Bus Select Relay |
| MMD | Mass Median Diameter |
| FM | Frequency Modulation |
| GM | General Motors |