troy
Concise Oxford English Dictionary © 2008 Oxford University Press:
troy /trɔɪ/ (also troy weight)
▶noun a system of weights used mainly for precious metals and gems, with a pound of 12 ounces or 5,760 grains. Compare with avoirdupois.
– origin ME: from a weight used at the fair of Troyes in France.
'troy' also found in these Oxford entries:
apothecaries' measure
- avoirdupois
- grain
- helenium
- myrmidon
- odyssey
- ounce
- palladium
- pennyweight
- pound
- Trojan
- Trojan Horse
