Dictionary.com
Thesaurus.com

A.U.

1 American  
Or a.u.

abbreviation

  1. angstrom unit.


Au 2 American  

abbreviation

  1. author. Also au


AU 3 American  

abbreviation

  1. astronomical unit.


Au 4 American  
Symbol, Chemistry.
  1. gold.


au 5 American  
[oh] / oʊ /
French.

plural

aux
  1. to the; at the; with the.


Au 1 British  

symbol

  1. gold

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

AU 2 British  

abbreviation

  1. African Union

  2. Also: a.u..  angstrom unit

  3. Also: a.u..  astronomical unit

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

au 3 British  

abbreviation

  1. Australia

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

AU Scientific  
  1. Abbreviation of astronomical unit


Etymology

Origin of Au

From the Latin word aurum

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In addition to the Global Reparation Fund, which will be championed by a committee of experts set up by the A.U.

From Seattle Times

But despite a public invitation earlier this month for the two sides to meet in South Africa, the A.U. appears to have made few logistical or diplomatic preparations for talks, diplomats said.

From Washington Post

A.U. helicopters helped the soldiers hold the camp, they said.

From Washington Post

The A.U.’s mission in Somalia is to degrade al-Shabab and build up the country’s security forces.

From Washington Post

Hawkins said being a captain in A.U. had given her more respect for coaches.

From New York Times