dram(redirected from Dram (mass))
Also found in: Dictionary, Thesaurus, Medical.
dram:see English units of measurementEnglish units of measurement,
principal system of weights and measures used in a few nations, the only major industrial one being the United States. It actually consists of two related systems—the U.S.
..... Click the link for more information. .
(drachm; Russian drakhma, from Greek drachme).
(1) A unit in the now outmoded system of apothecaries’ weights. An apothecaries’ dram was one-eighth of an ounce and contained three scruples; the Russian apothecaries’ dram was the equivalent of 3.732 g. In the English system of measurement an apothecaries’ dram equaled 3.888 g.
(2) A fluidram, a measure of displacement used in the USA, equal to 3.6966 milliliters.
(3) In the avoirdupois system, a measure of weight equaling one-sixteenth of an ounce, 1.772 g.