| 单词 | carat-grains |
| 释义 | > as lemmascarat-grains 2. A measure of weight used for diamonds and other precious stones, originally 1/ 144 of an ounce, or 31/ 3 grains, but now equal to about 1/ 150 of an ounce troy, or 31/ 5 grains, though varying slightly with time and place. It is divided into 4 carat-grains. Also attributive, as in a one-carat diamond, and (quot. 1568) in more general use. ΘΚΠ the world > relative properties > measurement > measurement by weighing > [noun] > unit or denomination of weight weightc1175 M1548 carat1568 killat1580 muttie1672 minim1790 the world > relative properties > measurement > measurement by weighing > [noun] > unit or denomination of weight > unit of weight for precious stones carat1568 quilate1577 ct.1865 1568 W. Turner Herbal iii. 50 If one kirat of it be geven in wine, it maketh a man wonderfully dronken. ?1578 W. Patten Let. Entertainm. Killingwoorth 66 Az for the valu, yoor iewellers by their carrets let them cast & they can. 1588 T. Hickock in tr. C. Federici Voy. & Trauaile f. 14v (margin) These Perles are prised according to the caracts which they waye, euerye caract is foure graines. 1616 J. Bullokar Eng. Expositor Kirat, an Arabian word signifying the weight of three graines. 1667 E. King in Philos. Trans. (Royal Soc.) 2 429 A Diamond of 10 Carats. 1679 London Gaz. No. 1462/4 Lost..a parcel of Rough Diamonds..containing 38 Caracks 7/ 8. 1745 S. Madden Boulter's Monument 57 Augmenting Carracts vastly raise Th' advancing Value of the Diamond's Blaze. 1750 W. Beawes Lex Mercatoria (1752) 873 The Jewellers divide the Ounce into 152 Parts, or Carats, and these into Grains, whereof four make a Carat. 1868 E. Seyd Bullion 146 Six carats are equal to 19 grains Troy weight. 1875 W. S. Jevons Money (1878) 36 A one carat diamond. 1887 Whitaker's Almanack 362 The jewellery ounce is divided into 151½ carats and 600 pearl-grains. < as lemmas |
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