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can mean several things:
- another word for tanbark
Tanbark is the bark of certain species of tree. It is traditionally used for tanning hides.The words "tanning", "tan," and "tawny" are derived from the Medieval Latin tannare, "to convert into leather."...
- Tan (color)
Tan is a pale whiteish, tawny shade of white. The name is derived from tannum used in the tanning of leather.The first recorded use of tan as a shade name in English was in the year 1590....
- Tan or tangent
In geometry, the tangent line to a plane curve at a given point is the straight line that "just touches" the curve at that point. More precisely, a straight line is said to be a tangent of a curve at a point on the curve if the line passes through the point on the curve and has slope where f...
, one of the main trigonometric functions
Tanning is the making of leather from the skins of animals which does not easily decompose. Traditionally, tanning used tannin, an acidic chemical compound from which the tanning process draws its name . Coloring may occur during tanning...
, the process of making leather from hides
- Sun tanning
Sun tanning or simply tanning is the process whereby skin color is darkened or tanned. The process is most often a result of exposure to ultraviolet radiation from the sun or from artificial sources, such as a tanning bed, but can also be a result of windburn or reflected light...
, the darkening of skin in response to ultraviolet light
- Sunless tanning
Sunless tanning Sunless tanning Sunless tanning (also known as UV-free tanning, self tanning, spray tanning (when applied topical, or fake tanning) refers to the application of chemicals to the skin to produce an effect similar in appearance to a suntan...
, the darkening of skin without ultraviolet light
- Tan (goat pattern)
Goats expressing the tan pattern have coats pigmented completely with phaeomelanin . The allele which codes for this pattern is located at the agouti locus of the goat genome. It is completely dominant to all other alleles on this locus...
- Tan (or Tanfana
Tanfana or Tamfana was a goddess of the Istvaeones in ancient Germanic paganism, the destruction of whose temple in the territory of the Marsi is mentioned in Tacitus' Annals.-Literary mentions:...
, Tamfana), ancient European goddess
- Tan (surname)
Tan is a Chinese surname. In a 2006 study of the 100 most common Chinese surnames, Tan was found to be the 67th most common. It is also used in Korea, although very rarely.-Origin:Two origins have been suggested for the Tan surname:...
(譚), a Chinese surname
- Chen (surname)
Chén or Chan is one of the most common East Asian family names. It ranks as the 5th most common surname in China, as of 2007 and the most common surname in Singapore and Taiwan . Chen is also the most common family name in Guangdong, Zhejiang, Fujian, Hong Kong...
(陳), a Chinese surname, pronounced "Tan" in Min Nan languages.
- "Tan", or "Dān" (聃), the posthumous name of Lao Zi (Lao Tzu)
- TAN Books & Publishers
TAN Books & Publishers is a Traditional Catholic book distributor and publisher, now in Charlotte, North Carolina. It was founded in 1967, in Rockford, Illinois, by Thomas A. Nelson, the "TAN" standing as a monogram for Mr. Nelson's initials...
, a Catholic publishing company
The OS-tan is an Internet phenomenon or meme that originated within the Japanese Futaba Channel. The OS-tan are the moe anthropomorphism/personification of several operating systems by various amateur Japanese artists...
, an Internet phenomenon on Futaba Channel
- a live album by the Polish rock band Kult
-History:Kult was formed in 1982 from Kazik Staszewski’s previous band, Novelty Poland.In July 1982 the band performed at its first concert at the Remont Club in Warsaw....
- Tahn, a yoghurt-based drink from the Middle East
- Tan (state), ancient Chinese kingdom situated in eastern Shandong Province
- Tan, the nickname of Leborgne, a patient of Paul Broca
Pierre Paul Broca was a French physician, surgeon, anatomist, and anthropologist. He was born in Sainte-Foy-la-Grande, Gironde. He is best known for his research on Broca's area, a region of the frontal lobe that has been named after him. Broca’s Area is responsible for articulated language...
, on whose autopsy he identified Broca's area
Broca's area is a region of the hominid brain with functions linked to speech production.The production of language has been linked to the Broca’s area since Pierre Paul Broca reported impairments in two patients. They had lost the ability to speak after injury to the posterior inferior frontal...
" or "tan
" may also be a three-letter abbreviation for:
The United Republic of Tanzania is a country in East Africa bordered by Kenya and Uganda to the north, Rwanda, Burundi, and the Democratic Republic of the Congo to the west, and Zambia, Malawi, and Mozambique to the south. The country's eastern borders lie on the Indian Ocean.Tanzania is a state...
, the country
- Total Acid Number
The Total Acid Number is the amount of potassium hydroxide in milligrams that is needed to neutralize the acids in one gram of oil. It is an important quality measurement of crude oil. The TAN value indicates to the crude oil refinery the potential of corrosion problems. It is usually the...
, the measure of a lubricant's or crude oil's acidity
- Transaction authentication number
A Transaction authentication number, TAN or T.A.N. is used by some online banking services as a form of single use one-time passwords to authorize financial transactions...
in electronic banking
- Tree augmented naive Bayes, a probabilistic classifier based on applying Bayes' theorem
- IATA airport code for Taunton Municipal Airport
Taunton Municipal Airport , also known as King Field, is a public use airport located three nautical miles east of the central business district of Taunton, a city in Bristol County, Massachusetts, United States. It is located in the East Taunton neighborhood of the city. The city-owned airport is...
, Taunton, Massachusetts
- Tax Deduction Account Number
Tax Deduction Account Number is an alphanumeric number issued to individuals who are required to deduct tax on payments made by them under the Indian Income Tax Act, 1961.-Significance:* An Assessee cannot obtain a TAN number without having a PAN....
issued by Indian Income Tax Department for deduction of tax at source.
- Thunderbirds Are Now!
Thunderbirds are Now! is a Livonia, Michigan-based post-punk revival band whose sound uses a mix of traditional post-punk, New Wave and noise rock. The band is heavily influenced by 1980s New Wave and other post-punk revival acts like Les Savy Fav...
, a Detroit-based neo-post-punk band
- Tenth Avenue North
Tenth Avenue North is an American contemporary Christian music band from West Palm Beach, Florida. They took their name from a major east-west road in Palm Beach County.The group was formed while attending Palm Beach Atlantic University...
, a Contemporary Christian band
- The Anime Network, an all-anime channel
- This Aint News, a Social news
A social news website is a type of website that features user-submitted stories that are ranked based on popularity.-Slashdot:Slashdot, started in 1997, was one of the first social news websites. It focuses mainly on science and technology related news. Users can submit stories, and the editors...
website with a firm stance on preserving Freedom of speech
Freedom of speech is the freedom to speak freely without censorship. The term freedom of expression is sometimes used synonymously, but includes any act of seeking, receiving and imparting information or ideas, regardless of the medium used...
- Tiny area network: A local area network
A local area network is a computer network that interconnects computers in a limited area such as a home, school, computer laboratory, or office building...
with 2–3 nodes connection. Usually implemented for shared files, folders and printers in a home or small office environment.
- Total amoniacal Nitrogen: Nitrogen content in form of ammonium