| Acronym | Definition |
|---|
| ATDC➣After Top Dead Center (gasoline and diesel engine timing) |
| ATDC➣Advanced Technology Development Center (NASA) |
| ATDC➣Army Training and Doctrine Command |
| ATDC➣Advanced Tactical Display Center |
| ATDC➣Arbitrary Time-Dependent Current |
| ATDC➣Army Training Device Center |