| Acronym | Definition |
|---|
| ISDD➣Institute for the Study of Drug Dependence |
| ISDD➣interactive software design and development |
| ISDD➣Information Systems and Demilitarization Division (Hughes Technical Services Company) |
| ISDD➣Inter-Symbol Decision-Directed |
| ISDD➣Incoming Start-to-Dial Delay |
| ISDD➣Information Systems Design and Development |