Americans with Disabilities Act Air Defense Artillery American Dental Association American Diabetes Association American Dietetic Association advisory area Aeronautical Development Agency air defense area American Disabilities Act Americans with Disability Act Automatic Data Acquisition adenosine deaminase Air Defence Artillery American with Disabilities Act Automatic Data Acquisitions Acquisition Decision Authority ADA Lovelace Language adipic acid Adobe Developers Association Air Data Assembly Air Defence Area Airborne Data Automation American Desalting Association Ancillary Data Access anterior descending artery Anti-Deficiency Act Anti-Discrimination Association Array Drive Assembly Audio Distribution Amplifier Authorization Decision Assertion