follow Dictionary.com

How Well Do You Know English Slang?

au

[oh] /oʊ/
plural aux
[oh] /oʊ/ (Show IPA).
French.
1.
to the; at the; with the.
Compare à la.

aux-

1.
variant of auxo-, especially before a vowel:
auxin.

aux.

1.
auxiliary; auxiliaries.
Also, aux, auxil.

aux

[oh] /oʊ/
French.
1.
plural of au.

AUX

Linguistics
1.
auxiliary verb: used to represent a phrase structure constituent that may include such verbal elements as tense and mood markers as well as auxiliaries.
Also, Aux.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
British Dictionary definitions for aux

au

abbreviation
1.
Australia

Au

Chemical symbol
1.
gold
Word Origin
from New Latin aurum

AU

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
Cite This Source
Word Origin and History for aux

Au

chemical symbol for "gold," from Latin aurum "gold" (see aureate).

au

French, "at the, to the," from Old French al, contraction of a le, with -l- softened to -u-, as also poudre from pulverem, chaud from calidus, etc. Used in many expressions in cookery, etc., which have crossed the Channel since 18c., e.g. au contraire, literally "on the contrary;" au gratin, literally "with scrapings;" au jus, literally "with the juice."

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
aux in Medicine

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.
Cite This Source
aux in Science
Au  
The symbol for gold.
AU  
Abbreviation of astronomical unit
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Related Abbreviations for aux

AUX

  1. auxiliary
  2. auxiliary verb

Au

gold

AU

astronomical unit

aux.

  1. auxiliary
  2. auxiliary verb
The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source

Word of the Day

Difficulty index for au

Many English speakers likely know this word

Word Value for aux

0
0
Scrabble Words With Friends

Quotes with aux