Any Day Now 
Associate Degree in Nursing 
Abbreviated Dialing Number 
Advanced Digital Network 
Autodesk Developer Network 
Acide DésoxyriboNucléique 
Allgemeiner Deutscher Nachrichtendiens… 
Ashley, Drew and Northern Railway 
Abbrevated Dialing Number 
Abbreviated Dialing Numbers 
Abbreviated Dialling Number 
Accession Designation Number 
Account Distribution Number 
ACE DGZ Number 
Add In Utility 
Addntility 
adenine nucleotide 
adenine nucleotides 
adenosine 
Adiponitrile 
Aerodienst GmbH 
Agency Disclosure Notice 
Air Defence Notification 
aircraft data network 
Allied Command Europe desired ground z… 
American Depository Notes 
ammonium dinitramide 
ammonium ditramide 
Antenna Designer's Notebook 
anterodorsal nucleus