Au

Au, AU, au or a.u. may refer to:

Science and technology

Computing

Physics and chemistry

  • Gold, symbol Au (from Latin aurum), a chemical element
  • Absorbance unit, a reporting unit in spectroscopy
  • Atomic units, a system of units convenient for atomic physics and other fields
  • Ångström unit, a unit of length equal to 10−10 m or 0.1 nanometre.
  • Astronomical unit, a unit of length often used in planetary systems astronomy, an approximation for the average distance between the Earth and the Sun
  • Arbitrary unit, a relative placeholder unit for when the actual value of a measurement is unknown or unimportant ("a.u." is deprecated, use "arb. unit" instead)

Arts and entertainment

Music

Magazines

Literature

Other media

  • Au Co, a fairy in Vietnamese mythology
  • Age of Ultron, a 2013 series published by Marvel Comics
  • A.U, a Chinese media franchise and brand

Organizations

Asia

Europe

Oceania

North America

Other

Places

Austria

Germany

Switzerland

Vehicles

  • Ford Falcon (AU), a family car made in Australia
  • Vought AU, a post-World War II US Marine Corps variant of the F4U Corsair aircraft

Other uses

  • , a cartwheel in the Brazilian martial art of Capoeira
  • Au (surname), a Chinese family name
  • Au language
  • Ab urbe condita (sometimes abbreviated as a.u.), Latin for "from the founding of the City" (Rome)
  • a'u, the Hawaiian name for the Pacific blue marlin
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