Aeronautical Development Establishment 
air defense emergency 
adverse drug effect 
adsorption-desorption equilibrium 
advanced development environment 
adverse drug event 
Arizona Department of Education 
Array Drive Electronics 
Above-Decks Equipment 
adenine 
Aerial Delivery Equipment 
Agencywide Distributed Environment 
Air Defense Element 
Air Density Explorer 
Application Development Environment 
assign digit editing 
Assistant Division Engineer 
Automated Design Engineering 
AUTOMATIC DESIGN ENGINEERING 
Above Deck Equipment 
acceptable daily exposure 
Access 2003 Developer Extensions 
Access Developer Extensions 
acute disseminated encephalomyelitis 
Ada Air 
Ada Development Environment 
Adapter Development Environment 
Address Error 
adenosine 
Advanced Data Entry