Wednesday, September 15, 2004

Avoirdupois Weight

Traditional system of weight in the British Imperial System and the United States Customary System of weights and measures. The name derives ultimately from French avoir de pois (�goods of weight� or �property�). The avoirdupois pound contains 7,000 grains, or 256 drams of 27.344 grains each, or 16 ounces of 437 1/2 grains each. It is used for all products not subject to apothecaries' weight (for pharmaceutical