Find the word definition


TDF may refer to:


  • Tab delimited files, a tabular data file format
  • Télé Distribution Française, a radio clock signal transmitter in France
  • TenDRA Distribution Format, a design of abstract machine
  • Tenofovir disoproxil fumarate, an antiretroviral drug
  • Testis determining factor, a gene (or product thereof) that results in maleness
  • Tire-derived fuel, recycled chipped tires burned for fuel
  • Trusted Data Format, a data tagging and protection standard used both commercially and by the United States Intelligence Community and US Department of Defense


  • Tour de France, a prestigious cycle race in France
  • The Dayton Family, an American horrorcore group
  • TDF Group, a major French media and telecommunications conglomerate
  • Tour de Future (Australia), the Commodore 64 software production group, see Notemaker
  • Theatre Development Fund, a non-profit corporation dedicated to assisting the theatre industry in New York City
  • Thessaloniki Documentary Festival, a documentary film festival affiliated with the International Thessaloniki Film Festival
  • Total dietary fiber, the indigestible portion of food derived from plants
  • Taurian Defense Force, a fictional military in the BattleTech Universe
  • Totally Dysfunctional Family, the group pseudonym of Eric Clapton and other musicians for a one-off 1997 album
  • The Dhol Foundation, a dhol troupe from the UK
  • TDF, ticker of Templeton Dragon Fund on the New York Stock Exchange, see Companies listed on the New York Stock Exchange (T)
  • Telangana Development Forum, a non-profit organization for the development of the backward Telangana region in southern India
  • The Document Foundation, a non-profit organization that promotes open-source document handling software, particularly LibreOffice
  • Target date fund, a type of mutual fund whose asset mix becomes more conservative as the target date approaches
  • Tour de Force (disambiguation)