carat

名词 carat:

1. a unit of weight for precious stones = 200 mg
2. the unit of measurement for the proportion of gold in an alloy; 18-karat gold is 75% gold; 24-karat gold is pure gold
   同义词：karat, kt

1. Gold21 carats fine.
   21克拉纯金

car.at

n.（名词）
Abbr. c,car.A unit of weight for precious stones, equal to 200 milligrams.
缩写 c,car.克拉：宝石的重量单位，等于200毫克
Variant of karat
karat的变体

来源：
Middle English
中古英语
from Old French
源自 古法语
from Medieval Latin quar3tus
源自 中世纪拉丁语 quar3tus
from Arabic qor3ú [weight of four grains]
源自 阿拉伯语 qor3ú [4格令的重量]
from Greek keration [a weight] [diminutive of] keras [horn] * see ker-
源自 希腊语 keration [砝码，称砣] [] keras的小后缀 [角] *参见 ker-