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carat Syllabification: car·at
Pronunciation: /ˈkerət/

Definition of carat in English:


1A unit of weight for precious stones and pearls, now equivalent to 200 milligrams: a half-carat diamond ring
More example sentences
  • Within the gem trade, however, especially among those who deal with diamonds, it is one of the ever-cute 4 Cs: color, clarity, cut, and carats, or carat weight.
  • However, one does not need to be an expert on the Hope Diamond to know that its correct weight is 45.52 carats, a weight that has been accurately reported in reputable scholarly publications for most of the latter half of the last century.
  • They have finally finished their masterpiece: a necklace that is made up of diamonds with a total weight of 2800 carats!
2 chiefly British spelling of karat.


Late Middle English (sense 2): from French, from Italian carato, from Arabic ḳīrāṭ (a unit of weight), from Greek keration 'fruit of the carob' (also denoting a unit of weight), diminutive of keras 'horn', with reference to the elongated seedpod of the carob.

  • This measure of the purity of gold and a unit of weight for precious stones comes via French from Italian carato, from Arabi kīrāţ, a unit of weight. The base is Greek keration used for both a carob seed and a unit of weight but literally ‘little horn’ describing the carob's elongated seedpod.

Words that rhyme with carat

carrot, claret, garret, karat, parrot
Definition of carat in:
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