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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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英文字典中文字典相关资料:


  • 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 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
  • 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
  • Gold Karats Explained: 24K, 22K, 18K, 14K Compared
    Key idea: The karat system is a fractional measure of gold purity, where 24 karats (24K) represents pure gold, and lower karats indicate a mixture of gold with other metals (alloys)
  • Carat — The Creative AI Agent, with just a chat interface
    Generate videos, images and more through a simple chat Carat suggests fresh variables and lets you switch AI models like GPT or Gemini
  • GIA Diamond Grading Reports: Understanding Carat Weight
    One carat is equal to 200 milligrams, which is 1 5 of a gram or 0 20 gram There are 142 carats in an ounce Carat is also the standard unit of weight for most gemstones The modern carat system has its roots in the carob seed, which comes from the locust tree
  • Carat vs Karat | Blue Nile
    Carat measures the weight of diamonds, while karat measures the fineness of gold A carat weighs 200 milligrams, while karat measures the purity of a gold alloy in relation to 24 parts of gold





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