troy weight

English Thesaurus

1. a system of weights used for precious metals and gemstones; based on a 12-ounce pound and an ounce of 480 grains (noun.quantity)

hypernym	:	system of weights, weight,
definition	:	a system of units used to express the weight of something (noun.quantity)

part holonym	:	troy unit,
definition	:	any of the unit of the troy system of weights (noun.quantity)