TN

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Tn or TN may refer to:

[edit] Organizations

[edit] Places

  • Tamil Nadu, a state in southern India, whose ISO abbreviation is "IN-TN"
  • Tennessee, a state in the United States, whose postal abbreviation is "TN"
  • Tonbridge, a region in England with the postcode "TN"
  • Tunisia, a country in Africa, whose ISO country code is "TN"
  • The province of Trento, a province in Italy, whose ISO abbreviation is "IT-TN"


[edit] Scientific terms

  • Neel Temperature, the temperature at which an antiferromagnetic material becomes paramagnetic (represented as TN)
  • 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

[edit] Other

  • TN status ('Treaty national', or 'Trade NAFTA'), an immigration status of a Canadian or Mexican citizen working in the USA under the NAFTA agreement
  • Tetraodon, a genus of pufferfish.
  • The number "trillion" ('TN' or 'tn')
  • Telescope Nut, nickname for an amateur telescope maker