| Acronym | Definition |
|---|
| ATCD➣Acquisition Training and Career Development (Virginia) |
| ATCD➣Accelerated Tank Closure Demonstration (US Department of Energy) |
| ATCD➣Anti-Transnational Crime Division (Philippines) |
| ATCD➣Altair Corporation Delaware |
| ATCD➣Activated T Cell Death |
| ATCD➣Air Training Communications Division |
| ATCD➣Attitude Toward Cultural Diversity |