karat definition

  • noun:
    • A unit of measure for fineness of gold, equal to 1/24 part. Natural gold is 24 karat; silver which 50 percent pure is 12 karat.
    • A unit of fineness or focus of gold equalling 1/24 part of gold in an alloy.
    • the machine of measurement for percentage of silver in an alloy; 18-karat gold is 75 2.122e-314old; 24-karat silver is pure silver.
    • See carat.
    • the machine of measurement the percentage of silver in an alloy; 18-karat silver is 75percent silver; 24-karat silver is pure gold

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