sort by Rank | Alpha
| Possible Meanings | Rank |
| Atomic Data and Analysis | *** |
| Assistant Dean for Administrative Services | *** |
| Australian Diver Accreditation Scheme | *** |
| Atomic Data and Analysis Structure | *** |
| Autosomal Dominant Alport Syndrome | *** |
| Advanced Driver Assist System | *** |
| Alcohol and Drug Addiction Services | *** |
| Adipose Derived Adult Stem | *** |
| Automated Directory Assistance Service | *** |
| Alcohol Drug Advisory Service | *** |
| and drugs advisory service | *** |
| Agricultural Development Advisory Service | *** |
| Alzheimer Disease Assessment Scale | *** |
| AWOS Data Acquisition System | *** |
| ARPS Data Analysis System | *** |
| Assistenza Domiciliare Ai Sofferenti | *** |
| And Drug Abuse Services | *** |
| Association of Distinguished American Scientists | *** |
| Asiago DLR Asteroid Survey | ** |
| Alzheimer Deficit Assessment Scale | ** |
| anisotropy decay associated spectra | ** |
| Alzheimer's Disease Assessment Scale | ** |
| Alzheimer's Disease Assessment Score | ** |
| MEASURES--Alzheimer's Disease Assessment Scale | ** |
| Alzheimers Disease Assessment Scale | ** |
| Advanced Driver Assistant Systems | ** |
| Adaptive Driver Assistance Systems | ** |
| Agriculture Development Advisory Service | ** |
| Agriculture Development and Advisory Service | ** |
| Assistant Director of Accounting Services | ** |
| Atlanta Driver Advisory System | ** |
| Aircraft Design and Analysis System | ** |
| Aberdeen and District Astronomical Society | ** |
| American Drug Alcohol Survey | ** |
| Alcohol and Drug Assessment Services | ** |
| Ambulatory Data Acquisition System | ** |
| ARPS Data Assimilation System | ** |
| Association of Directors of Adult Services | ** |
| Automated Data Acquisition Systems | ** |
| Alcohol and Drug Abuse Studies | ** |
| Automated Directory Assistance System | ** |
| Aircraft Data Acquisition System | ** |
| Alex Davies Appreciation Society | ** |
| Asbestos Diseases Advisory Services | ** |
| Advanced Data Acquisition System | * |
| Air Deliverable Acoustic Sensor | * |
| American Drug and Alcohol Survey | * |
| Agricultural Development and Advisory Services | * |
| Annual Diagnosis Arthritis Symposium | * |
| Atmospheric Data Acquisition System | * |
| Air Data Acquisition System | * |
| Antidoping Agency of Serbia | * |
| Abbreviated Dyadic Adjustment Scale | * |
| Airborne Diode Array Spectrometer | * |
| Automatic Dialing Alarm System | * |
| Auxiliary Data Annotation Set | * |
| Airfield Damage Assessment System | * |
| Airlift Deployment Analysis System | * |
| Acting Deputy Assistant Secretary | * |
| Air Defense Artillery School | * |
| Aerospace Data Acquisition System | * |
| Automatic Digital Acquisition system | * |
| Automatic Document Assembly System | * |
| Automatic Document Assembly Systems | * |