| Acronym | Meaning |
| AAAI | American Association For Artificial Intelligence |
| SOHC | Single-OverHead-Cam Engine |
| ADRG | Arc-second Raster Chart (ARC) Digitized Raster Graphics |
| API | Application Programming Interface |
| FED | Field Emission Display |
| DIS | Defence Intelligence Staff - (U.S.) Defense Investigative Service - Distributed Interactive Simulation - Draft International Standard (ISO) |
| PAS | See Entry |
| EC | Ecuador (ISO 3166 Digram; FIPS 10-4 Country Code) -Electronic Combat - European Community (see EEC) -Exacoulomb |
| ADAP | AIDS Drug Assistance Program |
| RBOC | Regional Bell Operating Company (Baby Bell) |