English noun: troy ounce | |||
1. | troy ounce (quantity) a unit of apothecary weight equal to 480 grains or one twelfth of a pound | ||
Synonyms | apothecaries' ounce, ounce | ||
Broader (hypernym) | apothecaries' unit, apothecaries' weight, troy unit | ||
Part holonym | drachm, drachma, dram, pennyweight | ||
Part meronym | apothecaries' pound, troy pound | ||