troy weight

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Related to Troy system of units: avoirdupois pound, OZT

troy weight

A system of units of weight in which the grain is the same as in the avoirdupois system and the pound contains 12 ounces, 240 pennyweights, or 5,760 grains.

troy weight

(trɔɪ) or


(Units) a system of weights used for precious metals and gemstones, based on the grain, which is identical to the avoirdupois grain. 24 grains = 1 pennyweight; 20 pennyweights = 1 (troy) ounce; 12 ounces = 1 (troy) pound
[C14: named after the city of Troyes, France, where it was first used]

troy′ weight`

a system of weights in use for precious metals and gems, in which a pound equals 12 ounces (0.373 kg) and an ounce equals 20 pennyweights or 480 grains (31.103 grams).
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.troy weight - a system of weights used for precious metals and gemstones; based on a 12-ounce pound and an ounce of 480 grains
system of weights, weight - a system of units used to express the weight of something
troy unit - any of the unit of the troy system of weights