Attention Deficit Disorder 
Administration on Developmental Disabi… 
Authorization Delegation Discovery 
Architectural Design Document 
addition 
Architecture Description Document 
AC DISCONTINUED 
Adapter Device Driver 
Address 
Architectural Definition Document 
average daily dose 
Addendum 
Additional 
adduction 
Advanced Dungeons & Dragons 
Aerospace Digital Development 
Agency for Defense Development 
Agricultural Development Division 
Air Defense District 
Antarctic Digital Database 
Architecture Design Document 
Assistant District Director 
Attention deficit disorders 
Automatic Document Detection 
Automatic Document Distribution 
Autonomous Dynamics Determination 
Acceptable Daily Dose 
Acceptable Defer Defect 
Acceptable Deferred Defects 
Acoustic Deterrent Device