DTT

DTT may refer to:

• Demographic transition theory, a four stage transition model, which all countries progress through as they develop economically
• Double taxation treaty
• Digital terrestrial television, an implementation of digital television (DTV) broadcast television technology to provide a greater number of television channels and/or better quality of digital video and digital audio through a conventional television antenna (or aerial) instead of a satellite dish or cable television connection
• Deloitte Touche Tohmatsu, one of the largest professional services firms in the world
• Dithiothreitol, the common name for a small-molecule redox reagent known as Cleland's reagent

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