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carat

[ kar-uht ]
/ ˈkær ət /
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noun

a unit of weight in gemstones, 200 milligrams (about 3 grains of troy or avoirdupois weight). Abbreviation: c., ct.

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Origin of carat

1545–55; <Medieval Latin carratus (used by alchemists) <Arabic qīrāṭ weight of 4 grains <Greek kerátion carob bean, weight of 3.333 grains, literally, little horn, equivalent to kerat- (stem of kéras) horn + -ion diminutive suffix

WORDS THAT MAY BE CONFUSED WITH carat

carat , caret, carrot, karat
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use carat in a sentence

British Dictionary definitions for carat

carat
/ (ˈkærət) /

noun

a measure of the weight of precious stones, esp diamonds. It was formerly defined as 3.17 grains, but the international carat is now standardized as 0.20 grams
Usual US spelling: karat a measure of the proportion of gold in an alloy, expressed as the number of parts of gold in 24 parts of the alloy

Word Origin for 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 & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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