carat

noun

/ˈkærət/

(abbreviation ct)

a unit for measuring the weight of diamonds and other precious stones, equal to 200 milligrams克拉（钻石或其他宝石的重量单位，等于 200 毫克）
(especially British English)
(North American English usually karat)
a unit for measuring how pure gold is. The purest gold is 24 carats.开（黄金成色单位，纯金为 24 开）
- an 18-carat gold ring18 开的金戒指
Topics Maths and measurementc2, Clothes and Fashionc2

词源late Middle English (in sense (2)): from French, from Italian carato, from Arabic qīrāṭ (a unit of weight), from Greek keration ‘fruit of the carob tree’ (also denoting a unit of weight), diminutive of keras ‘horn’, with reference to the elongated seed pod of the carob.

词汇	carat
释义	carat noun /ˈkærət/ /ˈkærət/ (abbreviation ct) a unit for measuring the weight of diamonds and other precious stones, equal to 200 milligrams克拉（钻石或其他宝石的重量单位，等于 200 毫克） (especially British English) (North American English usually karat) a unit for measuring how pure gold is. The purest gold is 24 carats.开（黄金成色单位，纯金为 24 开） an 18-carat gold ring18 开的金戒指 Topics Maths and measurementc2, Clothes and Fashionc2 词源late Middle English (in sense (2)): from French, from Italian carato, from Arabic qīrāṭ (a unit of weight), from Greek keration ‘fruit of the carob tree’ (also denoting a unit of weight), diminutive of keras ‘horn’, with reference to the elongated seed pod of the carob.
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