apothecaries' weight


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Related to apothecaries' weight: avoirdupois weight

apothecaries' weight

n.
A system of weights used in pharmacy and based on an ounce equal to 480 grains and a pound equal to 12 ounces. It has been largely replaced by measures of the metric system.

apothecaries' weight

n
(Pharmacology) a system of weights, formerly used in pharmacy, based on the Troy ounce, which contains 480 grains. 1 grain is equal to 0.065 gram

apoth′ecaries' weight`


n.
a system of weights used chiefly in compounding and dispensing drugs.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.apothecaries' weight - any weight unit used in pharmacyapothecaries' weight - any weight unit used in pharmacy; an ounce is equal to 480 grains and a pound is equal to 12 ounces
weight unit, weight - a unit used to measure weight; "he placed two weights in the scale pan"
grain - 1/60 dram; equals an avoirdupois grain or 64.799 milligrams
scruple - a unit of apothecary weight equal to 20 grains
drachm, drachma, dram - a unit of apothecary weight equal to an eighth of an ounce or to 60 grains
apothecaries' ounce, ounce, troy ounce - a unit of apothecary weight equal to 480 grains or one twelfth of a pound
apothecaries' pound, troy pound - an apothecary weight equal to 12 ounces or 373.242 grams