名詞 karat:

1. the unit of measurement for the proportion of gold in an alloy; 18-karat gold is 75% gold; 24-karat gold is pure gold
   同義詞：carat, kt

1. A unit of measure for the fineness of gold, equal to!/24 part. Pure gold is24 karat; gold that is50 percent pure is12 karat.
   開(kāi)測(cè)量黃金純度的單位，等于24等分中的一分。純金為24開(kāi); 50％純度的黃金為12開(kāi)

karat 也作 car.at

n.Abbr. k,kt.（名詞）縮寫(xiě) k,kt.
A unit of measure for the fineness of gold, equal to !/24 part. Pure gold is 24 karat; gold that is 50 percent pure is 2 karat.
開(kāi)：測(cè)量黃金純度的單位，等于24等分中的一分。純金為24開(kāi)；50%純度的黃金為2開(kāi)

來(lái)源：
Variant of carat
carat的變體