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Definition of Au
1. 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.
Exact synonyms: Atomic Number 79, Gold
Substance meronyms: Gold Foil, Gold Leaf, Gold, Dental Gold, Graphic Tellurium, Sylvanite
Generic synonyms: Noble Metal
Specialized synonyms: 24-karat Gold, Pure Gold, Gold Dust, Green Gold, Guinea Gold
Derivative terms: Gold
Substance meronyms: Gold Foil, Gold Leaf, Gold, Dental Gold, Graphic Tellurium, Sylvanite
Generic synonyms: Noble Metal
Specialized synonyms: 24-karat Gold, Pure Gold, Gold Dust, Green Gold, Guinea Gold
Derivative terms: Gold
2. 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).
Definition of Au
1. Noun. (astronomy) (initialism of astronomical unit) ¹
2. Noun. (initialism of angstrom unit) ¹
3. Noun. (context: fandom) (initialism of alternate universe) ¹
4. Proper noun. (initialism of African Union) ¹
¹ Source: wiktionary.com
Medical Definition of Au
1. Symbol for gold (aurum). (05 Mar 2000)
Lexicographical Neighbors of Au
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