au

¹ American  

[oh] / oʊ /

French.

plural

aux

1. to the; at the; with the.

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Au ² American  

abbreviation

1. author. Also au

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Au ³ American  

Symbol, Chemistry.

1. gold.

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AU ⁴ American  

abbreviation

1. astronomical unit.

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A.U. ⁵ American  

Or a.u.

abbreviation

1. angstrom unit.

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Au ¹ British  

symbol

1. gold

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AU ² British  

abbreviation

1. African Union

2. Also: a.u..  angstrom unit

3. Also: a.u..  astronomical unit

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au ³ British  

abbreviation

1. Australia

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AU Scientific  

1. Abbreviation of astronomical unit

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Etymology

Origin of Au

From the Latin word aurum

Example Sentences

Writing in a local cafe is not only cheaper—the price of a café au lait—but also offers the illusion of companionship without any of its intrusions.

From The Wall Street Journal

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

From Los Angeles Times

Contrary to his story on the “Bachelor Happy Hour” podcast that he engaged in one kiss before coming on the show, a few women have come forward to clarify that, au contraire, he kissed a few more misses in recent years than he claims.

From Salon

I snagged a pain au chocolat for the flight.

From The Wall Street Journal

Over chocolate cream pie and a side of broccoli at New York’s Au Cheval with Z Fellow founder Cory Levy in early March 2024, the pair said their true passion lay in solving the problem of predictions.

From The Wall Street Journal