Get the FREE one-click dictionary software for Windows
or the iPhone/iPad and Android apps
Noun: troy ounce  troy awn(t)s
  1. A unit of apothecary weight equal to 480 grains or one twelfth of a troy pound
    "The jeweller measured the gold in troy ounces";
    - ounce, apothecaries' ounce

Derived forms: troy ounces

Type of: apothecaries' unit, apothecaries' weight, troy unit

Part of: apothecaries' pound, troy pound

Encyclopedia: Troy ounce