sort by Rank | Alpha
| Possible Meanings | Rank |
| Door Access Control System | ***** |
| Data Analysis Center for Software | **** |
| Digital Access and Cross Connect System | **** |
| digital access and cross-connect system | **** |
| Digital Access Cross-connect System | *** |
| Data and Analysis Center for Software | *** |
| Dual Acoustic Chamber System | *** |
| Design Artists Copyright Society | *** |
| Design and Analysis of Computer Systems | *** |
| Disability Ageing and Carers Survey | *** |
| District Aids Control Society | *** |
| Danbury Area Computer Society | *** |
| Danish Association of Chartered Surveyors | *** |
| Design and Calculation Software | *** |
| Digital Access and Cross connect Systems | *** |
| Directionalized Acoustic Chamber System | *** |
| Davao Association of Colleges and Schools | *** |
| Data Acquisition and Control Systems | *** |
| DDC-I Ada Compiler System | ** |
| Developmental Ambulatory Classification System | ** |
| Direct automated cycle sequencing | ** |
| Dakota Assessment of Content Standards | ** |
| Data Acquisition and Conversion System | ** |
| Digital Analog Communication System | ** |
| Danish Australian Cultural Society | ** |
| Data Acquisition and Computer System | ** |
| Data Acquisition and Control Subsystem | ** |
| Digital Airborne Camera System | ** |
| Designers and Artists Copyright Society | ** |
| Danger Area Crossing Service | ** |
| Department of Agricultural and Consumer Services | ** |
| digital to analog converters | ** |
| digital-to-analog converters | ** |
| Digital Audio and Computer Systems | ** |
| Design and Copyright Society | ** |
| Danish Association for Clinical Sexology | ** |
| Director of Area Cancer Services | ** |
| Data Acquisition Control and Simulation | ** |
| Dedicated Acoustic Chamber Speakers | ** |
| Digital Audio Communication Systems | ** |
| Diving Association of Central Sports | ** |
| Dedicated Application Control System | ** |
| Division of Aging and Community Services | ** |
| Destination Automatic Call Sender | ** |
| Digital Attitude Control System | ** |
| Directionalised Acoustic Chamber System | ** |
| Distributed Audio Control System | ** |
| Dual Audio Chamber Speaker | ** |
| Depository Access Control System | ** |
| Digital Audio Communications System | ** |
| Divert and Attitude Control Subsystem | ** |
| Distributed Application Control System | * |
| Divert and Attitude Control Systems | * |
| Dynamic Acoustic Chamber System | * |
| Deputy Assistant Chief of Staff | * |
| Designers and Artists Collecting Society | * |
| Digital Access Crossconnect Switch | * |
| Data Acquisition and Control Subsystems | * |
| Defense Ammunition Center and School | * |
| Design and Analysis of Complex Surveys | * |
| Direct Access Communication System | * |
| Digital Access CrossConnect Systems | * |
| Digital to Analog Conversion System | * |
| data acquistion and control system | * |
| Divert Attitude Control Sensor | * |
| Data Acquisition and Contol System | * |
| Data Analysis for Computer Software | * |
| Delta Alpha Chapter of Sigma | * |
| Department of Agriculture and Consumer Services | * |
| Distributed Alarm & Control System | * |