ATDT

AcronymDefinition
ATDTAround the Dinner Table (eating disorders forum)
ATDTAttention Dial Tone
ATDTAdaptive Toolkit for the Discovery of Threats (Knowledge Based Systems, Inc.; College Station, TX)
ATDTAm There Doing That
ATDTAutomated Technical Data Tracking system
ATDTAdditive Two DMARD (Disease Modifying Antirheumatic Drug) Therapy (immunology)