troy weight /ˈtrɔɪ weɪt/ BrE AmE noun [uncountable]
[ Date: 1400-1500 ; Origin: Troyes city in northern France ]
a system of measuring weights in Britain and the US, used especially for weighing gold, silver etc
troy weight /ˈtrɔɪ weɪt/ BrE AmE noun [uncountable]
[ Date: 1400-1500 ; Origin: Troyes city in northern France ]
a system of measuring weights in Britain and the US, used especially for weighing gold, silver etc
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012