karat
1. karat
a unit of weight for precious stones = 200 mg [enota mase za dragocene kamne = 200 mg]
2. karat
the unit of measurement for the proportion of gold in an alloy; 18-karat gold is 75% gold; 24-karat gold is pure gold [enota za merjenje deleža zlata v zlitini; 18-karatno zlato je 75% zlata; 24-karatno zlato je čisto zlato]