| 释义 |
WordReference Random House Learner's Dictionary of American English © 2024car•at /ˈkærət/USA pronunciation n. - Jewelrya unit of weight in gemstones, 200 milligrams (about 3 grains of troy or avoirdupois weight): [countable]How many carats did it weigh? [singular; before a noun]an eighteen–carat diamond.
- Jewelry karat.
WordReference Random House Unabridged Dictionary of American English © 2024car•at (kar′ət),USA pronunciation n. - Jewelrya unit of weight in gemstones, 200 milligrams (about 3 grains of troy or avoirdupois weight). Abbr.: c., ct.
- Jewelrykarat.
- Greek kerátion carob bean, weight of 31⁄3 grains, literally, little horn, equivalent. to kerat- (stem of kéras) horn + -ion diminutive suffix
- Arabic qīrāṭ weight of 4 grains
- Medieval Latin carratus (used by alchemists)
- 1545–55
Collins Concise English Dictionary © HarperCollins Publishers:: carat /ˈkærət/ n - 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
- 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
Etymology: 16th Century: from Old French, from Medieval Latin carratus, from Arabic qīrāt weight of four grains, carat, from Greek keration a little horn, from keras horn kar•at or car•at /ˈkærət/USA pronunciation n. [countable]- Jewelrya unit for measuring the amount of pure gold in a mixture of gold, pure gold being 24 karats:fourteen karats of gold.[singular before a noun]eighteen-karat gold.
WordReference Random House Unabridged Dictionary of American English © 2024kar•at (kar′ət),USA pronunciation n. - Jewelrya unit for measuring the fineness of gold, pure gold being 24 karats fine. Abbr.: k., kt.
Also, carat. - spelling, spelled variant of carat 1550–60
|