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reaction of degeneration
unit of weight in the apothecaries' and avoirdupois systems. An apothecaries' dram contains 3 scruples (3.888 grams) of 20 grains each and is equal to one-eighth apothecaries' ounce of 480 grains. The avoirdupois dram contains 27.344 grains (1.772 grams) and is equal to one-sixteenth avoirdupois ounce of 437 12 grains. The term also refers to the fluid dram, a measure of capacity equal to one-eighth fluid ounce.