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1. The unit of measurement for the proportion of gold in an alloy; 18-carat gold is 75% gold; 24-carat gold is pure gold
   - karat [N. Amer], kt
    
2. A unit of weight for precious stones = 200 mg

Sounds like: caret, karat, carrot

Derived forms: carats

Type of: metric weight unit, unit, unit of measurement, weight unit

Part of: g, gm, gram, gramme

Encyclopedia: Carat