| Acronym | Definition |
|---|
| CDDT➣Count Down Demonstration Test |
| CDDT➣Countdown Demonstration Test (NASA) |
| CDDT➣Create Direct Deposit Tape |
| CDDT➣cyclododecatriene |
| CDDT➣Common Display Development Team |
| CDDT➣Custom Debian Distributions Toolkit |
| CDDT➣Conisbrough and Denaby Development Trust (UK) |