Au — synonyms, definition

1. au (Noun)

3 synonyms
Astronomical Unit atomic number 79 gold
2 definitions

au (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 kilometres).

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.

2 types of
astronomy unit noble metal
6 types
24-carat gold 24-karat gold gold dust green gold guinea gold pure gold
6 parts of
dental gold gold gold foil gold leaf graphic tellurium sylvanite
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