| 释义 |
carat
caratthe weight of precious stones, especially diamonds: The stone in her engagement ring was over two carats.
Not to be confused with:caret – a writer’s and a proofreader’s mark: A caret is a symbol that is used to indicate where material is to be inserted in a document.karat – proportion of pure gold used with an alloy: Her earrings were made of 24 karat gold.car·at C0096900 (kăr′ət)n. Abbr. c or car.1. A unit of weight for precious stones, equal to 200 milligrams.2. Variant of karat.
[Middle English, from Old French, from Medieval Latin quarātus, from Arabic qīrāṭ, a measure of weight, from Greek kerātion, carob pod, a measure of weight (originally defined in reference to a dried carob seed), from diminutive of keras, kerāt-, horn (from the pod's shape ); see ker- in Indo-European roots.]carat (ˈkærət) n1. (Units) a measure of the weight of precious stones, esp diamonds. It was formerly defined as 3.17 grains, but the international carat is now standardized as 0.20 grams2. (Units) Usual US spelling: karat a measure of the proportion of gold in an alloy, expressed as the number of parts of gold in 24 parts of the alloy[C16: from Old French, from Medieval Latin carratus, from Arabic qīrāt weight of four grains, carat, from Greek keration a little horn, from keras horn]car•at (ˈkær ət)
n. 1. a unit of weight in gemstones, 200 milligrams (about 3 grains of troy or avoirdupois weight). Abbr.: c., ct. 2. karat. [1545–55; < Medieval Latin carratus (used by alchemists) < Arabic qīrāṭ weight of 4 grains < Greek kerátion carob bean, weight of 3? grains, literally, little horn] Thesaurus| Noun | 1. | carat - a unit of weight for precious stones = 200 mgmetric weight unit, weight unit - a decimal unit of weight based on the gramdecigram, dg - 1/10 gramg, gm, gram, gramme - a metric unit of weight equal to one thousandth of a kilogram | | 2. | carat - the unit of measurement for the proportion of gold in an alloy; 18-karat gold is 75% gold; 24-karat gold is pure goldkarat, ktunit, unit of measurement - any division of quantity accepted as a standard of measurement or exchange; "the dollar is the United States unit of currency"; "a unit of wheat is a bushel"; "change per unit volume" |
Translationscarat (ˈkӕrət) noun1. a measure of weight for precious stones. 克拉 克拉2. a unit for stating the purity of gold. an eighteen-carat gold ring. 開(表示金的純度) 开（表示金的纯度） carat
carat1. a measure of the weight of precious stones, esp diamonds. It was formerly defined as 3.17 grains, but the international carat is now standardized as 0.20 grams 2. a measure of the proportion of gold in an alloy, expressed as the number of parts of gold in 24 parts of the alloy Carat a unit of weight, abbreviated kar. in Russian and ct internationally, which is used in the jewelry trade for measuring the weight of precious stones and pearls. The carat is used in a number of countries to indicate the purity of precious metal alloys. The metric carat, which was established by the fourth General Conference on Weights and Measures (Paris, 1907) and adopted in the USSR in 1922, is equivalent to 200 mg (exactly) or 2 X 104 kg. carat[′kar·ət] (lapidary) A unit of weight of gemstones, equal to 200 milligrams. Also known as metric carat. CARAT
CARAT A trial comparing immediate and late Rotablator results using either large burrs for maximum debulking (debulking strategy) or small burrs to modify lesion compliance (modification strategy).
Primary endpoints
Major acute coronary events (MACE) at 6 months.
Conclusion
Lesion modification with small burrs achieves similar immediate lumen enlargement and late target-vessel revascularisation as aggressive debulking, with fewer angiographic complications.Carat
CARAT, weights. A carat is a weight equal to three and one-sixth grains, in diamonds, and the like. Jac. L. Dict. See Weight. FinancialSeekaratCARAT
| Acronym | Definition |
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| CARAT➣Cooperation Afloat Readiness And Training (US Navy) | | CARAT➣Coupe Allrad Antrieb Turbo | | CARAT➣Counselling, Assessment, Referral, Advice and Throughcare (UK corrections) | | CARAT➣California Resources and Training | | CARAT➣Committee to Advise on Reassessment and Transition (US EPA and USDA) | | CARAT➣Chemical Accident Risk Assessment Thesaurus (OECD) | | CARAT➣Center for Auditing Research & Advanced Technology |
See COMSEC Modulecarat
Synonyms for caratnoun a unit of weight for precious stones = 200 mgRelated Words- metric weight unit
- weight unit
- decigram
- dg
- g
- gm
- gram
- gramme
noun the unit of measurement for the proportion of gold in an alloySynonymsRelated Words |