| Abbreviation | Definition |
|---|---|
| ADD | Attribute Driven Design |
| ADDA | abbreviation Define ADDA at |
| ADDA | American Design Drafting Association |
| ADDA | American Dream Downpayment Act |
| ADDA | Analogue Digital Digital Analogue |
| ADDA | Analogue to Digital Digital to Analogue |
| ADDA | Athena Digital Design Agency |
| ADDA | Atlanta Decatur Dart Association |
| ADDA | Attention Deficit Disorders Association |
| ADDA | Automatic Domain Decomposition Algorithm |
| ADDACS | Automated Direct Debit Amendment And Cancellation |
| ADDACS | Automated Direct Debit Amendment Cancellation Service |
| ADDACS | Automatic Direct Debit Amendment and Cancellation System |
| ADDB | Accidental death dismemberment benefit |
| ADDB | Advanced Domestic Digital Bus |
| ADDC | Abu Dhabi Desert Challenge |
| ADDC | Academic DRUG DISCOVERY Consortium |
| ADDC | Active Directory Domain Controller |
| ADDC | Alabama Digestive Disorders Center |
| ADDC | Albemarle Downtown Development Corporation |