au
to the; at the; with the.
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au
1 American
[oh]
/ oʊ /
French.
plural
aux
Au
2
American
abbreviation
Au
3
American
Symbol, Chemistry.
AU
4
American
abbreviation
A.U.
5
American
Or
a.u.
abbreviation
AU
1
British
abbreviation
-
African Union
-
Also: a.u.. angstrom unit
-
Also: a.u.. astronomical unit
Au
2
British
symbol
au
3
British
abbreviation
AU
Scientific
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.
The findings were published in ACS Environmental Au.
From Science Daily • Apr. 11, 2026
“SMIC remains the best proxy for China’s semiconductor localization across both mature and advanced nodes,” DBS’s Jim Au said in a recent research note.
From The Wall Street Journal • Nov. 13, 2025
Au Vodka told the ASA the ad was designed for a general adult audience with no themes directed at under 18s.
From BBC • Sep. 24, 2025
The others have chains like Starbucks, Subway, Chick-fil-A, Au Bon Pain and even McDonald’s lining the halls.
From Salon • Aug. 14, 2025
Picasso chalked a greeting on his front door: Au rendez-vous des poètes.
From "The Mona Lisa Vanishes" by Nicholas Day
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
