IDT explained

IDT may refer to:

Technology

Information and digital technology, a digitally focused information technology landscape
Interdigital transducer, or interdigitated transducer, a sensor and transmitter for a surface acoustic wave
Interrupt descriptor table, a memory structure of x86 microprocessors
Insulation-displacement technology, or insulation-displacement termination, an electrical connector
Interactive data transformation, a form of data transformation via a visual interface intended for analysts and business users with limited technical knowledge

IDT Corporation, a long-distance telephone carrier
Integrated Device Technology, a semiconductor manufacturer
Integrated Display Technology, a Hong Kong-based producer of LCD products
Integrated DNA Technologies, a U.S. supplier of custom nucleic acids
International Display Technology, a joint-venture of IBM and the Taiwanese Chi Mei group
IDT Entertainment, film producer

Inherited disorders of trafficking
Israel Daylight Time
It Dies Today, a metalcore band from Buffalo, New York
Inactive Duty Training, U.S. military duty, for example in the Inactive National Guard