gold
1gold
noun, often attributive \ˈgōld\Definition of GOLD
Examples of GOLD
- diamonds in a setting of 24-karat gold
- What is the price of gold?
Origin of GOLD
Related to GOLD
- Synonyms
- bread [slang], bucks, cabbage [slang], cash, change, chips, coin, currency, dough, money, green, jack [slang], kale [slang], legal tender, lolly [British], long green [slang], loot, lucre, moola (or moolah) [slang], needful, pelf, scratch [slang], shekels (also sheqels or shekelim or shekalim or sheqalim), tender, wampum
2gold
adjectiveDefinition of GOLD
First Known Use of GOLD
gold
noun , often attrib \ˈgōld\ (Medical Dictionary)Medical Definition of GOLD
gold
noun (Concise Encyclopedia)Metallic chemical element, one of the transition elements, chemical symbol Au, atomic number 79. It is a dense, lustrous, yellow, malleable precious metal, so durable that it is virtually indestructible, often found uncombined in nature. Jewelry and other decorative objects have been crafted from gold for thousands of years. It has been used for coins, to back paper currencies, and as a reserve asset. Gold is widely distributed in all igneous rocks, usually pure but in low concentrations; its recovery from ores and deposits has been a major preoccupation since ancient times (see cyanide process). The world's gold supply has seen three great leaps, with Christopher Columbus's arrival in the Americas in 1492, with discoveries in California (see gold rush) and Australia (1850–75), and discoveries in Alaska, Yukon (see Klondike), and South Africa (1890–1915). Pure gold is too soft for prolonged handling; it is usually used in alloys with silver, copper, and other metals. In addition to being used in jewelry and as currency, gold is used in electrical contacts and circuits, as a reflective layer in space applications and on building windows, and in filling and replacing teeth. Dental alloys are about 75% gold, 10% silver. In jewelry, its purity is expressed in 24ths, or karats: 24-karat is pure, 12-karat is 50% gold, etc. Its compounds, in which it has valence 1 or 3, are used mainly in plating and other decorative processes; a soluble chloride compound has been used to treat rheumatoid arthritis.
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