karat

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

noun the unit of measurement for the proportion of gold in an alloy; 18-karat gold is 75% gold; 24-karat gold is pure gold

The Koh-i-noor, by the way, which was found in India only weighs 186 karats. — An African Adventure, Isaac Frederick Marcosson
Other tokens of esteem may be silver, gilt, or plated ware, but jealousy is the hallmark of sincerity; jealousy is at least eighteen karats fine. — What Will People Say? A Novel, Rupert Hughes
King Hiero had ordered an eighteen karat crown, size 7-1/8, and, after receiving it from the hands of the jeweler, suspected that it had been adulterated. — Remarks, Bill Nye

carat, kt

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