Meaning & use
Karat
Last updated
A unit measuring the purity of gold, with pure gold rated as 24 karats.
See it in a sentence
The ring was made of 18-karat gold, meaning it was 75 percent pure.
Jewelers use a testing kit to verify the karat of gold items.
A note on using this word
In the US, "karat" (abbreviated "K" or "kt") measures gold purity, while the related spelling "carat" measures the weight of gemstones, and the two are easily confused.
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