ATD
Look up ATD in Wiktionary, the free dictionary.
ATD may refer to:
Computing and technology[edit]
- Anthropomorphic test device, also known as a crash test dummy
- at (command) or @daemon (spelled "atd", lower case), a standard Unix program
- Azimuth tractor drive, a drive system for tugboats
Medicine and science[edit]
- 1,4,6-Androstatrien-3,17-dione, estrogen inhibitor
- Acute tryptophan depletion
- Anti-thyroid drugs or antithyroid agent
Other uses[edit]
- ATD Fourth World
- Against the Day, a Thomas Pynchon novel
- Association for Talent Development
- Attention to Detail, a defunct British video game developer
- the postal code of Attard, Malta