AU

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Au

The symbol for gold.

[From Latin aurum, gold.]

AU

abbr.
astronomical unit

au

the internet domain name for
(Computer Science) Australia

Au

the chemical symbol for
(Elements & Compounds) gold
[from New Latin aurum]

AU

abbreviation for
1. (Placename) African Union
2. (General Physics) Also: a.u. angstrom unit
3. (Astronomy) Also: a.u. astronomical unit

AU

astronomical unit.

Au

1. Also,

au.

author.
2. Chem. Symbol. gold.
[< Latin aurum]

A.U.

or a.u.,

angstrom unit.

Au

The symbol for gold.

AU

Abbreviation of astronomical unit
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.AU - a soft yellow malleable ductile (trivalent and univalent) metallic elementAu - 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
gold foil - foil made of gold
gold leaf - a very thin form of gold foil
gold - coins made of gold
noble metal - any metal that is resistant to corrosion or oxidation
24-karat gold, pure gold - 100 per cent gold
gold dust - the particles and flakes (and sometimes small nuggets) of gold obtained in placer mining
dental gold - an alloy of gold used in dentistry
green gold - a gold alloy (at least 14 karat gold with silver or silver and cadmium) that has a green appearance
guinea gold - 22-karat gold from which guinea coins were made
graphic tellurium, sylvanite - a silver-white mineral consisting of silver gold telluride; a source of gold in Australia and America
2.AU - a unit of length used for distances within the solar systemAU - 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)
astronomy unit - a linear unit used for astronomical distances