Abbreviations beginning with a

ADDCAutomatic Depth and Draft Control
Miscellaneous » Unclassified

ADDCOMPEArmy/DARPA Distributed Communications and Processing Experiment
Governmental » Military

ADDCSAir Defense Command and Control System
Governmental » Military

ADDCSAircraft Decontamination/Deicing/Cleaning System
Governmental

ADDCTAutomated Deduction: Decidability, Complexity, Tractability (Workshop)
Community

ADDDArchive, Document, Display, and Disseminate
Academic & Science » Libraries

ADDDAtmospheric Double Drum Dryers
Academic & Science » Atmosphere

ADDDAccidental Death, Dismemberment, and Disability
Business » General

ADDDA Depository of Development Documents
Community » Development

ADDDAssistant Director for Detention and Deportation
Governmental » US Government

ADDDAssistant Director for Detention and Deportation (US DOJ)
Governmental

ADDDAccidental Death Dismemberment and Disability
Medical » Disability

ADDDAutomated Drug Dispensing Device
Medical » Drugs

ADDDAutomated Drug Dispensing Devices
Medical » Drugs

ADDDA Depository of Development Documents
Miscellaneous » Unclassified

ADDDA Depository of Development Documents (software engineering)
Miscellaneous

ADDDAfrican Diaspora for Democracy and Development
Miscellaneous » Unclassified

ADDDAnimal Defined Daily Dosages
Miscellaneous » Animals

ADDDArchive Document Display and Disseminate
Miscellaneous » Unclassified

ADDDAtmospheric Double Drum Dryer
Miscellaneous » Unclassified