IDT
IDT stands for:
- Immunodiffusion test
- Initiative of German wedding ring manufacturers
- Integrated Device Technology , American semiconductor manufacturer
- Interdigital transducer , a component that generates surface waves
- International Discount Telecommunications , US telecommunications and energy company, see IDT Corporation
- International German Teachers' Conference
- Interrupt Descriptor Table , see Descriptor (processor)
- Israel Daylight Time , corresponding to UTC + 3
idt stands for:
- Idaté (language) (ISO-639-3 code), dialect of the Idalaka dialect continuum in East Timor