au

n. gold (Chemistry); format of sound files created on a UNIX system (Computers)

Au or AU may refer to: In science Astronomical unit (AU, au, a.u., or ua), a unit of length approximately equal to the distance between the Earth and the SunAtomic units (au), a system of measurement units based on fundamental atomic propertiesThe chemical symbol of Gold (Au)
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.au is the Internet country code top-level domain (ccTLD) for Australia.
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Noun
1. 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) Astronomical Unit
(hypernym) astronomy unit

Noun
1. 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) gold, atomic number 79
(hypernym) noble metal
(hyponym) gold dust
(substance-holonym) dental gold

(Chemistry) Au, gold; (Computers) format of sound files created on a UNIX system

n. meadow, grassland, meadowland, pasture, land on which grass or hay can be grown for harvesting

interj. ah, word used to express a variety of emotions

Au, gold (Chemistry)

prep. on, to, toward

art. the, definite article used to specify one person or item in particular (Grammar)