| Acronym | Meaning |
| AM | Amplitude Modulation |
| ARCNET | Attached Resource Computer Network |
| DDS | Doctor Of Dental Science |
| TOPEX | Topographic Ocean Experiment |
| ECTD | Emission Control Technology Division |
| IR-RAD | Infrared Radiometer |
| OSL | Orbiting Solar Laboratory |
| USDC | United States Department Of Commerce |
| UNCHE OR UNCHE | United Nations Conference On The Human Environment |
| DROT | Direct Read Out Terminal |