troy

1. n. Troy weight. Source: opted

2. n. a system of weights used for precious metals and gemstones; based on a 12-ounce pound and an ounce of 480 grains Source: wordnet

3. Troy weight. Troy weight, the weight which gold and silver, jewels, and the like, are weighed. It was so named from Troyes, in France, where it was first adopted in Europe. The troy ounce is supposed to have been brought from Cairo during the crusades. In this weight the pound is divided into 12 ounces, the ounce into 20 pennyweights, and the pennyweight into 24 grains; hence, the troy ounce contains 480 grains, and the troy pound contains 5760 grains. The avoirdupois pound contains 7000 troy grains; so that 175 pounds troy equal 144 pounds avoirdupois, or 1 pound troy = 0.82286 of a pound avoirdupois, and 1 ounce troy = 1apothecaries' weight, used in weighing medicines, etc. In the standard weights of the United States, the troy ounce is divided decimally down to the Source: webster

4. Troy weight. Troy weight, the weight which gold and silver,jewels, and the like, are weighed. It was so named from Troyes, inFrance, where it was first adopted in Europe. The troy ounce issupposed to have been brought from Cairo during the crusades. In thisweight the pound is divided into 12 ounces, the ounce into 20pennyweights, and the pennyweight into 24 grains; hence, the troyounce contains 480 grains, and the troy pound contains 5760 grains.The avoirdupois pound contains 7000 troy grains; so that 175 poundstroy equal 144 pounds avoirdupois, or 1 pound troy = 0.82286 of apound avoirdupois, and 1 ounce troy = 1apothecaries' weight, used inweighing medicines, etc. In the standard weights of the UnitedStates, the troy ounce is divided decimally down to the Source: adambom

5. n. a system of weights used for precious metals and gemstones; based on a 12-ounce pound and an ounce of 480 grains n. an ancient city in Asia Minor that was the site of the Trojan War Source: ecdict

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