
1) Auric measure 2) Carat 3) Fort Knox measurement 4) Fort knox unit 5) Gilding unit 6) Gold fineness measure 7) Gold measure 8) Gold measure of fineness 9) Gold purity measure 10) Gold purity unit 11) Gold standard 12) Gold unit 13) Gold unit of fineness 14) Gold weight unit 15) Gold-measuring unit
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https://www.crosswordclues.com/clue/karat

the measure used to describe the purity of gold. 24 karat is pure gold, 100% or 24 of 24 parts gold; 18 karat is 75% gold, or 18 parts gold and 6 parts alloy metals; 14 karat is 58% gold, or 14 parts gold with 10 parts alloy metals.
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http://gemologyproject.com/wiki/index.php?title=Glossary_of_Terms

In order not to confuse karat with "carat", Americans changed the spelling. We obtuse Brits still habitually use the same spelling and word for two different and easy to mix up jewellery terms. Carat is a measure of the weight of gemstones, whereas karat is a measure of the purity of gold. The ratio of gold to other metals is measured in 24 parts, ...
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http://www.braybrook.co.uk/jewellery-and-silver-wisdom/gems-of-information/

a measure of the fineness (i.e., purity) of gold. It is spelled carat outside the United States but should not be confused with the unit used to ... [2 related articles]
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http://www.britannica.com/eb/a-z/k/11

A measure of the purity of a precious metal. Pure gold is 24 karat.
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http://www.cmi-gold-silver.com/precious-metals-glossary-of-terms/

Unit of measurement describing the content of gold in an ornament. The karat unit measures the percentage of gold in metallic objects made of gold (mainly jewelry). Since pure gold bends too easily, it is mixed with tougher metals when made into ornaments to form a tougher, although impurer, gold. The karat measurement determines the percentage of...
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http://www.encyclo.co.uk/local/22290

Unit of measurement describing the content of gold in an ornament. The karat unit measures the percentage of gold in metallic objects made of gold (mainly jewelry). Since pure gold bends too easily, it is mixed with tougher metals when made into ornaments to form a tougher, although impurer, gold. The karat measurement determines the percentag...
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http://www.encyclo.co.uk/local/22291

Unit of fineness, scaled from one to 24. 24 karat gold (or pure gold) has at least 999 parts pure gold per thousand; 18-karat has 750 parts pure gold and 250 parts alloy, etc.
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http://www.gold.org/investment/why_how_and_where/glossary/

Is a measure of the purity of gold. Twenty-four karat (24K) is considered as pure gold. See Fineness.
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http://www.oasismanagement.com/glossary/
(1946) Karat (1946) is a cultivated variety of potato.
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http://www.probertencyclopaedia.com/browse/QK.HTM
(1981) Karat (1981) is a cultivated variety of potato.
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http://www.probertencyclopaedia.com/browse/QK.HTM

Karat is a cultivated variety of potato.
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http://www.probertencyclopaedia.com/browse/QK.HTM

The unit of measure for the fineness of gold. Fine gold is 24 karat (Kt). Other common standards are 18Kt (750 fineness), 14Kt (583 fineness), and 10Kt gold (417 fineness)
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http://www.saffronart.com/sitepages/jewelry/glossary.aspx

Unit measurement of the purity of gold. Usually marked 'K', or 'k'. 24K = pure gold, 18K = .750 fine. Not to be confused with 'Carat' used with precious stones. Note that both originally referred to the seed of the carob tree ('Ceratonia siliqua' or 'Siliqua Graeca'). A Roman coin called the solidus weighed 24 'carats' or 'siliquae', 1/6th of a scr...
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http://www.translationdirectory.com/glossaries/glossary100.htm

[
n] - the unit of measurement for the proportion of gold in an alloy
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http://www.webdictionary.co.uk/definition.php?query=Karat

Unit of fineness, scaled from one to 24. 24 karat gold (or pure gold) has at least 999 parts pure gold per thousand; 18-karat has 750 parts pure gold and 250 parts alloy, etc.
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https://www.encyclo.co.uk/local/21265

A karat is a measure of fineness or purity, for example pure gold equals 24 karats, where as 12 karat gold only contains 50% of the fine metal. It is often confused with carat, which is a unit of weight equal to 200 milligrams not a measure of purity.
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https://www.encyclo.co.uk/local/22607

denotes the proportion of solid gold in an alloy based on a total of 24 parts. For example, a 14-karat (14K) gold designation indicates a composition of 14 parts of gold and 10 parts of other metals.
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https://www.encyclo.co.uk/local/22703

a unit for measuring the fineness of gold, pure gold being 24 karats fine. Abbr.: k., kt.
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https://www.infoplease.com/dictionary/karat
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