The meaning of the Acronym TDF is...

TDF is

• Terrestrial Defense Force
• Terran Defense Force

More Meanings For TDF:

• Templeton Dragon Fund, Inc.
• The Difficult Find
• Theater Development Fund
• Tour De France
• Tab Delimited File
• Theme Definition File
• TheDraw Font file
• Typeface Definition File
• Title Definition Format
• Terascan Data Format
• Tire Derived Fuel
• Test Data Folder
• Tactical Digital Facsimile
• Total Devastation Forever
• Teenage Dope Fiend

TDF is also in:

• Databases
• Environmental
• File Extensions
• Media
• Military
• Non-Profit Organizations
• NYSE Symbols
• Police
• Software
• Sports