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carat

car·at [ kárrət ] (plural car·ats)


noun 
Definition:
 
weight used for gems: a standard unit of mass used for precious stones, especially diamonds, equal to 200 milligrams ()

[15th century. Via French< Greek keration "fruit of the carob" < keras "horn"; because carob beans were used as standard weights for small quantities]

Spelling Note

carat or carrot? Do not confuse the spelling of carat and carrot, which sound similar. The noun denoting a measure of precious stones or gold is spelled carat, as in 24-carat gold. The noun denoting the orange root vegetable, or the plant that produces it, is spelled carrot.

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