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 Synonym(s):gold, Au, atomic number 79
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) Synonym(s):Astronomical Unit, AU
From The Free On-line Dictionary of Computing (15Feb98) [foldoc]:
au
1. The two character {country code} for Australia
used in {Internet} {domain names}.