The meaning of the Acronym TDD is...

TDD is

• telecommunications device for the deaf

More Meanings For TDD:

• Total Demand Distortion
• Time Division Duplex
• Tight Dangerous Debaters
• Telecommunications Device for the Deaf
• Teacher Development Day
• Test Driven Design
• Time Division Duplexing
• Test Driven Development
• Telecommunications Devices for the Deaf
• telecommunications device for the deaf
• Tactical Display Device
• Task Description Document
• Transportation Development District
• Truck Driver Department
• Turk Dil Kurumu

TDD is also in:

• Electronics
• FDA
• Hardware
• Military
• NASA
• Networking
• Products
• Schools
• Software
• State and Local
• Telecom
• Transportation
• Turkish
• Universities