au

au

[oh]
plural aux [oh] . French.
to the; at the; with the.
Compare à la.
Dictionary.com Unabridged

Au

1.
author. Also, au.
2.
Symbol, Chemistry, gold.

Origin:
< Latin aurum

A.U.

angstrom unit.
Also, a.u.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Collins
World English Dictionary
au
 
the internet domain name for
Australia

Au
 
the chemical symbol for
gold
 
[from New Latin aurum]

AU
 
abbreviation for
1.  African Union
2.  Also: a.u. angstrom unit
3.  Also: a.u. astronomical unit

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History

Au
chemical symbol for "gold," from L. aurum "gold."

au
Fr., "at the, to the" (contraction of a le). Used in many expressions in cookery, etc., which have crossed the Channel since 18c., e.g. au contraire, lit. "on the contrary;" au gratin, lit. "with scrapings;" au jus, lit. "with the juice."
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

Au
The symbol for the element gold.

AU abbr.
Latin auris utraque (each ear)

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
Au  
The symbol for gold.
AU  
Abbreviation of astronomical unit
gold   (gōld)  Pronunciation Key 
Symbol Au
A soft, shiny, yellow element that is the most malleable of all the metals. It occurs in veins and in alluvial deposits. Because it is very durable, resistant to corrosion, and a good conductor of heat and electricity, gold is used as a plated coating on electrical and mechanical components. It is also an international monetary standard and is used in jewelry and for decoration. Atomic number 79; atomic weight 196.967; melting point 1,063.0°C; boiling point 2,966.0°C; specific gravity 19.32; valence 1, 3. See Periodic Table. See Note at element.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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FOLDOC
Computing Dictionary

au definition


1. The two character country code for Australia used in Internet domain names.
2. audio.
(1995-02-15)

The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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American Heritage
Abbreviations & Acronyms
Au
gold
AU
astronomical unit
a.u.
angstrom unit
A.U.
Latin auris uterque (each ear, both ears)
The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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