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Longman Dictionary of Contemporary English
The Collaborative International Dictionary

au \a.u.\ n. 1. (Astron.) the unit of length equal to the mean distance of the Earth from the sun, about 93 million miles (150 million kiometers); -- used almost exclusively in astronomy, or to describe astronomical distances.

Syn: astronomical unit, AU, A.U.

Douglas Harper's Etymology Dictionary

chemical symbol for "gold," from Latin aurum "gold" (see aureate).


French, "at the, to the," from Old French al, contraction of a le, with -l- softened to -u-, as also poudre from pulverem, chaud from calidus, etc. Used in many expressions in cookery, etc., which have crossed the Channel since 18c., such as au contraire, literally "on the contrary;" au gratin, literally "with scrapings;" au jus, literally "with the juice."


n. 1 (context astronomy English) (initialism of astronomical unit English) 2 (initialism of angstrom unit English) 3 (context fandom English) (initialism of alternate universe English) n. (initialism of African Union English)


Au, AU or au may refer to:

Au (mobile phone company)

au, or au by KDDI, is a mobile phone brand in Japan marketed by KDDI in the main islands of Japan and Okinawa Cellular in Okinawa.

Au (squat)

Au the name of a building that has been squatted since June 4, 1983 in Frankfurt, Germany. It bills itself as an "Autonomous Cultural Centre and Living Project".

Au was home to the Au Squat Festival on June 3rd, 2006, featuring many punk rock bands such as The Restarts. The 2007 festival was on June 9th with band like Sensa Yuma and the festival 2008 will be on June 7th. Beside the open air festival there are many other concerts and cultural or political events during the year.

Au (Schwarzwald)

Au is a municipality in Breisgau-Hochschwarzwald, Baden-Württemberg, Germany. It is located a few kilometres south of Freiburg im Breisgau, in the south-western part of Baden-Württemberg. The municipality belongs to the administrative region of Hexental based in the neighbouring town of Merzhausen.

Au (St. Gallen)
  1. redirect Au, St. Gallen
Au (Munich)

Au is a district in the south eastern plain tract of the German city of Munich in Bavaria. Au extends from the Deutsches Museum in the north and along the Isar up to Wittelsbacherbrücke (Wittelsbacher Bridge) in the south.

In the centre of the area the Auer Dult takes place three times a year on the Mariahilfplatz, which is the largest annual market in Munich.

Bordering boroughs of the city are Ludwigsvorstadt-Isarvorstadt and Altstadt-Lehel on the western side of the Isar, Untergiesing-Harlaching in the south and Giesing in the south-east. The Haidhausen district lies to the east and along with Au, forms the Au-Haidhausen borough of the city.

Au was first documented on 12 December 1340 as "Awe ze Gysingen", with Awe meaning "Land on water". In 1808 Au was made part of Munich as Vorstadt Au ("Suburb of Au"). In 1818, along with Untergiesing (what the settlement at Nockherberg had been referred to as), Au formed its own munincipality. On 1 October 1854 the district was incorporated into Munich.

Hans-Georg Schwarzenbeck, a 1974 World Cup champion has operated a stationery shop in Au for over 20 years.

AU (band)

AU is a Portland, Oregon experimental pop group established by multi-instrumentalist Luke Wyland. Wyland started AU in 2005 while completing a degree at the Massachusetts College of Art. He later moved cross-country to Portland and established a base in its music community. Now a working live band, AU features an ever-changing roster of players, recently including Jonathan Sielaff ( Parenthetical Girls, Nick Jaina) on guitar, clarinets and saw; and Dana Valatka (Mustaphamond) on drums. Contributors to AU's recordings included Mark Kaylor (Hamor of Hathor, CexFucx), Becky Dawson (Saw Whet, Ah Holly Fam’ly), and Sarah Winchester ( A Weather).

Its self-titled debut album was praised by such media centers as Pitchfork and Stereogum, and was named #2 Portland Album of 2007 by The Portland Mercury, which said AU “manages to erase the high art/low art boundary between American contemporary classical music and American pop music, blending them into a simple, compelling, verse-chorus celebration... (and) is the rare band that can reinvent its songs live and still manage to match their recorded quality."

Wyland has recorded, produced and released 4 recordings as AU. AU - Au (2007). AU - Verbs (2008). AU - Versions (2009). AU - Both Lights (2012).

Usage examples of "au".

Closest approach distances for every body within five hundred AU, assuming McAndrew held the same course and acceleration all the way out.

Herrn Seebeck die Enthebung aus seinem Amte mitgeteilt, die er aber ignoriert.

Heinz Auer, Rudolf Forcher, Leopold Ambichl, Josef BAuer, Josef Edler, Anton GebAuer, and twenty more.

She had been required to stand up to Philip for the decade and a half when they had skulked from neighborhood to neighborhood until returning to within two blocks of the house on Auer Avenue where Timothy and Philip were born to Mom and Pop Underhill.

In silence, the boys left the northern end of the alley and turned east on Auer Avenue, not an avenue at all but merely another residential street lined with houses and parked cars.

They began drifting back up the alley toward the Monaghan house and West Auer Avenue.

On West Auer Avenue, a man in a gray University of Michigan football T-shirt, gray cotton shorts, and flip-flops was washing a dark blue Toyota Camry in his short double-wheel-track driveway.

And if it did not, he would lose it when he turned onto West Auer, because the red pickup would have no reason to follow him when he left Sherman Boulevard.

He came to Auer and executed a neat, military right-face, hoping to make his getaway before the guy in the pickup realized he was gone.

Pwyll wich gerade noch rechtzeitig aus, um sein rechtes Auge vor dem ersten Speerwurf zu retten.

Jedes Auge war wie eine einzelne Facette eines Diamanten, die nur einen einzelnen Strahl jenes Lichtes widerspiegelte, das durch jene riesigen, sonnenhaften Augen aus Anderswelt hindurchflammte, die durch jene ganze Gesellschaft hindurchstrahlten wie durch eine Maske.

Die Zunge hing ihm aus dem Maul, seine Augen waren toll vor Angst, und die fremden Hunde rannten dicht hinter ihm drein!

Rest von dem, was aus Arawns Augen in ihn geflossen war, vielleicht etwas, das einzig aus seiner eigenen Menschentreue geboren wurde.

La seule avocasserie prend tout le grain et ne laisse que la paille aux autres professions scientifiques.

Retirez-vous, messieurs, dit le roi aux autres personnes de sa suite, cette affaire ne concerne que mon oreille.