Au meaning

UK US /oʊ/ 1 syllable

Au (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.

Au has 2 meanings in this dictionary.

Au as a 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

    Synonyms: gold, atomic number 79

    Type of: noble metal

    Kinds: 24-karat gold, gold dust, green gold, guinea gold

  2. 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)

    Synonyms: Astronomical Unit

    Type of: astronomy unit

How to pronounce Au

Au is pronounced /oʊ/ in American English. It has 1 syllable.

More about Au on Wikipedia.