TN

Look up TN in Wiktionary, the free dictionary.

Tn or TN may refer to:

Businesses and organizations

• Air Tahiti Nui (IATA airline designation "TN" since 1998), a French Polynesian airline
• Texas and Northern Railway, an American railway (reporting mark "TN")
• Todo Noticias, an Argentine cable news network
• Trans Australia Airlines (IATA airline designation "TN" until 1994), a defunct Australian airline
• Transports en commun de Neuchâtel et environs, a public transport operator in Neuchâtel, Switzerland

Places

• 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

• .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 T_N)
• 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

• 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.

This disambiguation page lists articles associated with the title TN.
If an internal link led you here, you may wish to change the link to point directly to the intended article.