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proportion of pure gold used with an alloy: Her earrings were made of 24 karat gold.
Abused, Confused, & Misused Words by Mary Embree Copyright © 2007, 2013 by Mary Embree
kar·atalso car·at (kăr′ət)
n. Abbr. k or kt.
A unit of measure for the fineness of gold, equal to 1/24 part. Pure gold is 24 karat; gold that is 50 percent pure is 12 karat.
[Variant of carat.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Units) US and Canadian a measure of the proportion of gold in an alloy, expressed as the number of parts of gold in 24 parts of the alloy. Also spelt (in Britain and certain other countries): carat
[C16: from Old French, from Medieval Latin carratus, from Arabic qīrāt weight of four grains, carat, from Greek keration a little horn, from keras horn]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
or car•at(ˈkær ət)
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
A unit of weight equal to 200 mg (3.1 grains). Also used as a measure of gold purity (per 24 parts gold alloy).
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited
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|Noun||1.||karat - the unit of measurement for the proportion of gold in an alloy; 18-karat gold is 75% gold; 24-karat gold is pure gold|
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