ounce : Idioms & Phrases


apothecaries' ounce

  • noun a unit of apothecary weight equal to 480 grains or one twelfth of a pound
    apothecaries' ounce; ounce.
WordNet

Fluid ounce

  • noun a British imperial unit of capacity or volume (liquid or dry) equal to 8 fluid drams or 28.416 cubic centimeters (1.734 cubic inches)
    fluidounce.
  • noun a United States unit of capacity or volume equal to 1.804 cubic inches
    fluidounce.
WordNet
  • . (a) In the United States, a measure of capacity, in apothecaries' or wine measure, equal to one sixteenth of a pint or 29.57 cubic centimeters. This, for water, is about 1.04158 ounces avoirdupois, or 455.6 grains. (b) In England, a measure of capacity equal to the twentieth part of an imperial pint. For water, this is the weight of the avoirdupois ounce, or 437.5 grains.
Webster 1913

troy ounce

  • noun a unit of apothecary weight equal to 480 grains or one twelfth of a pound
    apothecaries' ounce; ounce.
WordNet