Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “carat”


noun [C]
a unit for measuring how much jewels (= valuable stones) weighMeasurements of weight and massArea, mass, weight and volume in general mainly UK (US karat) a unit for measuring how pure gold is: 22 carat gold
(Definition of carat from the Cambridge Learners Dictionary © Cambridge University Press)
Add Cambridge dictionaries to your browser to your website

More Learner's Dictionary definitions for “carat”

Definitions of “carat” in other dictionaries

Word of the Day

beer mat

a small piece of cardboard that you put under a glass to protect a table surface in a pub or bar

Word of the Day


Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More