dram

dram (drm)

n. Abbr. dr

1. A unit of weight in the US Customary System equal to ¹/₁₆ of an ounce or 27.34 grains (1.77 grams). Also called drachm.

2. A unit of apothecary weight equal to ¹/₈ of an ounce or 60 grains (3.89 grams).

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dram (dr.)

[dram]

Etymology: Gk, drachme, weight of the same value

a unit of mass equivalent to an apothecary's measure of 60 grains or ⅛ ounce and to 1/16 ounce or 27.34 grains avoirdupois. Also spelled drachm.

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dram (drachm),

n a unit of weight that equals the eighth part of the apothecaries' ounce. Symbol

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dram, drachm

a unit of weight in the avoirdupois (27.344 grains, 1/16 ounce) or apothecaries' (60 grains, 1/8 ounce) system; symbol .

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fluid dram

a unit of liquid measure of the apothecaries' system, containing 60 minims, and equivalent to 3.697 ml. See also Table 4.3. Abbreviated fl. dr.