Definition of apothecaries' measure in English:
apothecaries' measure
noun
(also apothecaries' weight)
historical Systems of units formerly used in pharmacy for liquid volume (or weight). They were based respectively on the fluid ounce (= 8 drachms or 480 minims) and the ounce troy (= 8 drams or 24 scruples or 480 grains).
Pronunciation
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