From Wikipedia, the free encyclopedia
ATD may refer to:
- 1,4,6-Androstatrien-3,17-dione, estrogen inhibitor.
- Acute Tryptophan Depletion.
- Against the Day, a Thomas Pynchon novel.
- Anthropomorphic Test Device (crash test dummy).
- Azimuth tractor drive, a drive system for tugboats.
- The Unix daemon handling at commands.
- Above threshold dissociation, a phenomenon in optics.
- Attention To Detail, a British game development studio that liquidated in late 2003.
- Actual Time of Departure.
- Along Track Distance.
- Agency Trading Desk.
- Anti Thyroid drugs.
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