- noun a heavy yellow metal that is relatively rare. It is used to make jewellery and precious objects.
- A dense yellow metallic chemical element with atomic number 79. Gold is chemically inactive, extremely corrosion resistant, has a very high melting point, is the most malleable metal, and among the elements is surpassed only by copper and silver as a conductor of electricity. It has over 30 known isotopes, of which one is stable. Gold is important in many areas of electronics, including its use in electric contacts, electrodes, microelectronic circuits, and thin film components. Its symbol, Au, is taken from the Latin word for gold: aurum.
- chemical symbol Au
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