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karat

American  
[kar-uht] / ˈkær ət /
Or carat

noun

  • karats
    plural
  1. a unit for measuring the fineness of gold, pure gold being 24 karats fine. k., kt.


karat British  
/ ˈkærət /

noun

  1. Also spelt (in Britain and certain other countries): carat. a measure of the proportion of gold in an alloy, expressed as the number of parts of gold in 24 parts of the alloy

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Noun Inflected Forms

Etymology

Origin of karat

First recorded in 1550–60; spelling variant of carat

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Four bronze horse statues that stand near Memorial Bridge are set to be coated with 23.75 karat gold leaf.

From BBC ● Jun. 1, 2026

Yeesookyung collects ceramic shards of work discarded by master craftsmen due to minor flaws and reassembles these fragments into bubbling sculptures held together with 24 karat gold.

From The Wall Street Journal ● Mar. 13, 2026

The toilet is made of 18 karat gold, meaning the metal is 75% gold and 25% alloy.

From MarketWatch ● Nov. 1, 2025

It contains just under 400 diamonds, rubies and sapphires and is set onto yellow gold, with a total karat weight of approximately 6 carats.

From Los Angeles Times ● May 8, 2024

Pippin's not so nicely spoken as you, my pet, but his heart's twenty-four karat.

From "Black Swan Green" by David Mitchell

“I’m pretty sure it says 14 karats on the inside,” Friedman said back on the street in the waning evening sunlight, positing that the $9 trinket was probably a white gold engagement band.

From Los Angeles Times ● May 13, 2024

Between its opening in 1983 and closure in 2020, when mining the gems there was no longer economically viable, Argyle produced more than 865 million karats of rough diamonds.

From Scientific American ● Sep. 19, 2023

The other he plans to have tested to see if the gold left on it is actually 24 karats.

From Fox News ● Jan. 11, 2020

Mickelson wins the $9 million purse and a championship belt crafted with 18-karat gold and two karats worth of diamonds.

From Washington Times ● Nov. 14, 2019

The gold employed in the chains was of 20 karats, the usual alloy, and weighed the first 4m. 5o. 4-1/2gr. 31d., and the second 1m. 6o. 4gr.

From The Medallic History of the United States of America 1776-1876 by Jules-Ferdinand Jacquemart

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