Apothecaries' weight Meaning, Definition & Usage
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noun any weight unit used in pharmacy; an ounce is equal to 480 grains and a pound is equal to 12 ounces
apothecaries' unit.
WordNet
Definitions
- the system of weights by which medical prescriptions were formerly compounded. The pound and ounce are the same as in Troy weight; they differ only in the manner of subdivision. The ounce is divided into 8 drams, 24 scruples, 480 grains. See
Troy weight .