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carat    音标拼音: [k'ɛrət]
n. 克拉

克拉

carat
n 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
[synonym: {karat}, {carat}, {kt}]

Carat \Car"at\ (k[a^]r"[a^]t), n. [F. carat (cf. It. carato,
OPg. quirate, Pg. & Sp. quilate), Ar. q[imac]r[=a]t bean or
pea shell, a weight of four grains, a carat, fr. Gr.
kera`tion a little horn, the fruit of the carob tree, a
weight, a carat. See {Horn}.]
1. The weight by which precious stones and pearls are
weighed.
[1913 Webster]

Note: The carat equals three and one fifth grains Troy, and
is divided into four grains, sometimes called carat
grains. Diamonds and other precious stones are
estimated by carats and fractions of carats, and
pearls, usually, by carat grains. --Tiffany.
[1913 Webster]

2. A twenty-fourth part; -- a term used in estimating the
proportionate fineness of gold.
[1913 Webster]

Note: A mass of metal is said to be so many carats fine,
according to the number of twenty-fourths of pure gold
which it contains; as, 22 carats fine (goldsmith's
standard) = 22 parts of gold, 1 of copper, and 1 of
silver.
[1913 Webster]


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  • Carat (mass) - Wikipedia
    An 'international carat' of 205 milligrams was proposed in 1871 by the Syndical Chamber of Jewellers, etc , in Paris, and accepted in 1877 by the Syndical Chamber of Diamond Merchants in Paris
  • CARAT Definition Meaning - Merriam-Webster
    Precious stones are weighed in carats; a single carat is equal to 200 milligrams Carat is also a variant spelling of karat, which measures the purity (but not the weight) of gold
  • Carat - Wikipedia
    Look up carat or carât in Wiktionary, the free dictionary
  • Carat vs. Karat: Whats The Difference? | Merriam-Webster
    In the jewelry world, 'carat' typically describes a unit for weighing precious stones, while 'karat' refers to the amount of gold in a piece Learn about the tree the words come from by reading more
  • Carat Global Media Marketing Agency | Carat
    We're Carat, the #1 Global Media Network Present in 100 countries delivering marketing strategies Explore our services, culture, leadership more
  • What is a carat and karat? - Diamonds matter - All For One
    Carat weight is a fundamental concept in the world of gemstones, particularly diamonds Understanding what is a carat and its significance in evaluating the size, quality, and value of gemstones is essential for anyone interested in jewelry, investment, or simply appreciating the beauty of precious stones
  • What Is a Carat? Jewelry’s Most Misunderstood Term
    A carat is a unit of weight used to measure gemstones and pearls One carat equals 200 milligrams or 0 2 grams The heavier the stone, the higher its carat weight Important note: Carat weight is not the same as gemstone size
  • Carat | Weight, Measurement, Jewelry | Britannica
    carat, unit of weight for diamonds and certain other precious gems Before 1913 the weight of a carat varied in different gem centres
  • Carat vs karat what’s the difference? - jewelersmutual. com
    A carat is the unit used when measuring the weight of a gemstone, such as diamonds, rubies, sapphires and emeralds Specifically, the weight of a carat is equal to 200 milligrams, or 0 2 grams
  • Diamond Carat: What Is Diamond Carat? | Tiffany Co. US
    Carat denotes the weight of a diamond, not the size A diamond may have a higher carat weight without appearing larger; and two diamonds of the same carat weight can vary in size if one is cut deeper than the other





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