Translingual

Symbol

tan

1. (mathematics) A symbol of the trigonometric function tangent.

Noun

Singular tan

Plural tans

tan (plural tans)

1. (color/colour) A yellowish-brown colour.

   tan colour:

2. A darkening of the skin resulting from exposure to the sun.

   She still has a tan from her vacation in Mexico.

3. The bark of an oak or other tree from which tannic acid is obtained.
4. (dialectal, rare) The second cardinal number two, formerly used in Celtic areas, especially Cumbria and parts of Yorkshire, for counting sheep, and stitches in knitting.

Derived terms

• catch a tan
• tan line

Tan can mean several things:

• Tan (color)
• Tan or tangent, one of the main trigonometric functions
• Tanning, the process of making leather from hides
• Sun tanning, the darkening of skin in response to ultraviolet light
• Sunless tanning, the darkening of skin without ultraviolet light
• Tan (or Tanfana, Tamfana), ancient European goddess
• Tan (surname) (譚), a Chinese surname
• Tan, or Dān (聃), the posthumous name of Lao Zi (Lao Tzu)
• TAN Books & Publishers, a Catholic publishing company
• OS-tan, an Internet phenomenon on Futaba Channel

• 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, on whose autopsy he identified Broca's area

"TAN" or "tan" may also be a three-letter abbreviation for:

• Tanzania, the country
• Total Acid Number, the measure of a lubricant's or crude oil's acidity
• Transaction authentication number in electronic banking
• Tree augmented naive Bayes, a probabilistic classifier based on applying Bayes' theorem
• IATA airport code for Taunton Municipal Airport, Taunton, Massachusetts
• Tax Deduction Account Number issued by Indian Income Tax Department for deduction of tax at source.
• Thunderbirds Are Now!, a Detroit-based neo-post-punk band
• Tenth Avenue North, a Contemporary Christian band
• The Anime Network, an all-anime channel
• ThisAintNews, a Social news website with a firm stance on preserving Freedom of speech
• Tiny area network: A local area network with 2–3 nodes connection. Usually implemented for shared files, folders and printers in a home or small office environment.