carat in English

carat

⇄

carat, noun.
1. a unit of weight for precious stones, equal to 0.2 gram or 200 milligrams.
2. one 24th part of gold in an alloy.
Ex. A gold ring of 18 carats is 18 parts pure gold and 6 parts alloy.
(Abbr:) kt. Also, karat.