troy unit

Thesaurus

Noun

1.

troy unit - any of the unit of the troy system of weights weight unit, weight - a unit used to measure weight; "he placed two weights in the scale pan" troy, troy weight - a system of weights used for precious metals and gemstones; based on a 12-ounce pound and an ounce of 480 grains grain - 1/60 dram; equals an avoirdupois grain or 64.799 milligrams pennyweight - a unit of apothecary weight equal to 24 grains apothecaries' ounce, ounce, troy ounce - a unit of apothecary weight equal to 480 grains or one twelfth of a pound apothecaries' pound, troy pound - an apothecary weight equal to 12 ounces or 373.242 grams