单词 | troy ounce |
释义 | > as lemmastroy ounce a. troy weight ( †weight of Troy), also elliptically troy: The standard system of weights used for the precious metals and precious stones; formerly also for bread. Also attributive, troy ounce, troy pound, etc. (also ounce troy, pound troy, etc.). Cf. Tower pound n.The pound troy contains 5760 grains, and is divided into 12 ounces. Cf. avoirdupois n. ΘΚΠ the world > relative properties > measurement > measurement by weighing > [noun] > a system or standard of weighing > specific systems or standards troy weight1390 lying-weight1454 avoirdupoisc1485 Tower weight1545 tron weight1593 sterling weight1612 overweight1656 merchant weight1704 tron1801 sicca weight1833 the world > relative properties > measurement > measurement by weighing > [noun] > unit or denomination of weight > specific troy units troy ounce1390 troy pound1390 unicorn1506 mast1545 carat1552 1390–1 Earl Derby's Exped. (Camden) 100 Pro j chargeour, iij diocis, et j sawcere, ponderis xx marc. de troye. 1423 Rolls of Parl. IV. 256/2 Silver is bought atte pris of xxxii s. the pound of troie. 1458 A. Paston in Paston Lett. & Papers (2004) I. 42 To do make me vj sponys of viij ounce of troy wyght. 1488–91 in T. Dickson Accts. Treasurer Scotl. (1877) I. 168 The cunȝeing of fifty tua Trois pundis and ane halue vnce of brokin siluer. 1543 R. Record Ground of Artes i. sig. N.v Of Ounces (after troye rate..)12 do make 1 pound. 1565 in J. H. Burton Reg. Privy Council Scotl. (1877) 1st Ser. I. 413 That thair be cunyeit ane penny of silver..of wecht ane unce, troce wecht. 1573 Aberdeen Regr. (1848) II. 10 A troiss pund of brass, pryce v. s. 1582 in D. Masson Reg. Privy Council Scotl. (1880) 1st Ser. III. 481 Quhilk [penny] suld wey ane quarter unce troyis wecht. 1641 in R. W. Cochran-Patrick Rec. Coinage Scotl. (1876) I. Introd. 32 The once trois of bullione. 1688 R. Holme Acad. Armory iii. 259/2 [By] Troy Weight..are Weighed..Bread, and all manner of Corn and Grain. 1825 ‘J. Nicholson’ Operative Mechanic 759 Take an exact troy ounce of the ore. 1868 J. E. T. Rogers Man. Polit. Econ. iii. 28 In the rough, it may be said that the cost of producing a pound Troy of gold is fifteen-and-a-half times as great as that of producing a pound Troy of silver. < as lemmas |
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