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au

1 American  
[oh] / oʊ /
French.
  • aux
    plural
  1. to the; at the; with the.


Au 2 American  

abbreviation

  1. author. Also au


Au 3 American  
Symbol, Chemistry.
  1. gold.


AU 4 American  

abbreviation

  1. astronomical unit.


A.U. 5 American  
Or a.u.

abbreviation

  1. angstrom unit.


au 1 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 2 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 3 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 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.

See Examples For:

Trainees and temporary summer workers, such as au pairs and summer camp counselors, also use the visa to enter the U.S.

From Los Angeles Times ● Oct. 8, 2026

They made off with a portrait titled "Madame Colonna Romano" and the depiction of a woman at a well called "Jeune femme au puits", his office said.

From Barron's ● Sep. 8, 2026

The last surviving subject of King Edward VII, as a teenager she travelled to India in 1927 and began working as an au pair to a military family there.

From BBC ● Aug. 21, 2026

It’s important to remember that it was 1976, so this particular fashion choice was not yet au courant, because they had just codified it.

From Salon ● Aug. 10, 2026

She had just woken up and was having her breakfast: a croissant and café au lait delivered from downstairs.

From "Auggie & Me" by R. J. Palacio

"Au Vodka is a brand we've long admired," he said.

From BBC ● Sep. 15, 2026

Au Vodka was founded by friends Charlie Morgan and Jackson Quinn, with broadcaster and DJ Charlie Sloth later joining as an investor.

From BBC ● Sep. 15, 2026

In his decades in the industry, including in senior roles at Au Bon Pain and Le Pain Quotidien, among others, Tipton has found that food businesses attract the first type, he said.

From The Wall Street Journal ● Sep. 4, 2026

Steven, the middle-aged protagonist of Teddy Wayne’s novel “The Au Pair,” wrote a bestseller almost a decade ago.

From The Wall Street Journal ● Aug. 14, 2026

“Unfortunately I have an engagement. Au revoir, madamoiselle,” and Laurie bent as if to kiss her hand, in the foreign fashion, which became him better than many men.

From "Little Women" by Louisa May Alcott

The AU has specifically urged all neighbouring countries not to take actions that could further escalate the crisis.

From BBC ● Sep. 25, 2026

AngloGold Ashanti AU 1.65%increase; green up pointing triangle said higher gold prices helped deliver a jump in quarterly earnings, with record free cash flow enabling an up to $2 billion share buyback and higher dividend.

From The Wall Street Journal ● May 8, 2026

That’s because the East Region will be held in Washington, where AU is located.

From Los Angeles Times ● Mar. 20, 2026

"The AU has helped de-escalate political tensions and support dialogue before situations descend into violence," he said, citing the work done to prevent war between Sudan and South Sudan over the flashpoint region of Abyei.

From Barron's ● Feb. 13, 2026

A charismatic AU junior named Bill was the treasurer of OASATAU, and two months after they met early in the exciting whirlwind of her freshman year, Joy was engaged to marry him.

From "The Other Wes Moore: One Name, Two Fates" by Wes Moore

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 ● Nov. 16, 2023

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 ● Oct. 17, 2022

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

From Washington Post ● May 3, 2022

McGee-Stafford is all in for as long as A.U. will have her.

From New York Times ● Feb. 23, 2022

“It’s A.U. thirty-nine. Fortunately, one of my postdocs can do it. A.U. thirty-eight is dilating the nostrils. Thirty-nine is the opposite. It’s the muscle that pulls them down.”

From "Blink" by Malcolm Gladwell

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