adj
Troy
troy
adj
1
Describing the traditional system of weights used for precious metals and gemstones, in which a pound equals twelve ounces rather than sixteen.
"Gold bars are priced by the troy ounce, not the ordinary ounce used for groceries."
"A troy pound is lighter than the everyday avoirdupois pound most people are used to."
How to Use Troy
Learner’s notesIn plain EnglishThe special weight scale used for gold, silver, and gems.
Common pairings
troy ounce
troy weight
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Gold bars are priced by the _____ ounce, not the ordinary ounce used for groceries.
Etymology
Thought to come from Troyes, a French market town whose local weight standard spread across medieval European trade.