Dram (dr) [1]
Dram (dr) [1] :
A unit of weight in the traditional avoirdupois system (see pound [1]), equal to 1/16 ounce or 1/256 pound. One dram equals about 1.7718 gram. The word dram comes from a Latin weight unit, the dragma, and derives ultimately from the Greek drachme, meaning a handful. The word is usually spelled "drachm" in Britain and "dram" in the United States, but both spellings are pronounced "dram." The avoirdupois dram is sometimes abbreviateddr. av.to distinguish it from the apothecaries' dram (next entry)
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