Au

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Au, AU or au may refer to:

Science and technology[edit]

Computing[edit]

Physics and chemistry[edit]

  • Gold (chemical symbol: Au), 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 Solar System 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

Arts and entertainment[edit]

Music[edit]

Other media[edit]

Organizations[edit]

Universities[edit]

Asia[edit]

Europe[edit]

Oceania[edit]

North America[edit]

Places[edit]

Austria[edit]

Germany[edit]

Switzerland[edit]

Vehicles[edit]

  • 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[edit]

  • , a cartwheel in the Brazilian martial art of Capoeira
  • Au (surname), a Chinese family name
  • 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