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Meaning of carat

car•at

Pronunciation: (kar'ut), [key]
— n.
  1. a unit of weight in gemstones, 200 milligrams (about 3 grains of troy or avoirdupois weight). Abbr.: c., ct.
  2. karat.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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