'AU' definitions:

Definition of 'Au'

(from WordNet)
noun
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 [syn: gold, Au, atomic number 79]
noun
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) [syn: Astronomical Unit, AU]

Acronyms for 'au'

From: V.E.R.A.
  • Access Unit