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Từ điển WordNet v3.1 - WordNet Dictionary
Au
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, atomic number 79 • Derivationally related forms: gold (for: gold) • Hypernyms: noble metal • Hyponyms: 24-karat gold, pure gold, gold dust, green gold, guinea gold • Substance Holonyms: dental gold, sylvanite, graphic tellurium, gold foil, gold leaf, gold
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