Definition of Au in English :

Define Au in English

Au meaning in English

Meaning of Au in English

Pronunciation of Au in English

Au pronunciation in English

Pronounce Au in English

Au

see synonyms of au

Noun

1. atomic number 79, au, gold

a soft yellow malleable ductile (trivalent and univalent) metallic element; occurs mainly as nuggets in rocks and alluvial deposits; does not react with most chemicals but is attacked by chlorine and aqua regia

2. astronomical unit, au

a unit of length used for distances within the solar system; equal to the mean distance between the Earth and the Sun (approximately 93 million miles or 150 million kilometers)

WordNet Lexical Database for English. Princeton University. 2010.


Au

see synonyms of au
the internet domain name for
Australia
the chemical symbol for
gold
abbreviation for
1. 
African Union
2. Also: a.u.
angstrom unit
3. Also: a.u.
astronomical unit

Collins English Dictionary. Copyright © HarperCollins Publishers


Au

see synonyms of au
1. 
African Union
2. 
angstrom unit(s)
3. 
astronomical unit(s)
author
gold

Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by Houghton Mifflin Harcourt. All rights reserved.


Au

see synonyms of au
abbr.
astronomical unit
The symbol for gold.

The American Heritage ® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.