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TN

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(Redirected from Tn)

Tn or TN may refer to:

Businesses and organizations

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Places

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  • Tamil Nadu, a state in southern India (ISO abbreviation "IN-TN")
  • Tennessee, US (postal abbreviation "TN")
  • Tonbridge, a region in England (postcode "TN")
  • Tunisia (ISO 3166-1 country code "TN")
  • Trentino, a province in Italy (ISO abbreviation "IT-TN")
  • North Tipperary, a former county of Ireland (car plate code "TN")

Science and technology

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  • .tn, the country code top level domain (ccTLD) for Tunisia
  • TN network, a type of earthing system for protection in electricity network
  • Neel Temperature, the temperature at which an antiferromagnetic material becomes paramagnetic (represented as TN)
  • Tetraodon, a genus of pufferfish
  • Trigeminal neuralgia, a neuropathic disorder
  • Transposon (when immediately followed by a number), a DNA sequence that can change positions
  • Twisted nematic field effect, the technology that made LCD displays practical
  • Thoron, symbol Tn, a sometimes used name for the nuclide radon-220

Other uses

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  • TN status ("Treaty national", or "Trade NAFTA"), an immigration status of a Canadian or Mexican citizen working in the USA under the NAFTA agreement
  • Telephone number, in the telecommunications industry
  • Tom Next (or Tomorrow Next), a financial trade which starts tomorrow and settles in the next trading day
  • Trillion ("TN" or "tn"), a number equal to 1012 (short scale) or 1018 (long scale)
  • Tswana language (ISO 639-1 language code)
  • Translators Note ("TN" or "t/n")
  • Turbonave, an Italian ship prefix, indicating that the ship was propelled by a turbine engine.