a system of units used chiefly in compounding and dispensing liquid drugs. In the U.S. 60 minims ( ) = 1 fluid dram (f); 8 fluid drams = 1 fluid ounce (f); 16 fluid ounces = 1 pint (O.); 8 pints = 1 gallon (C.) (231 cubic inches). In Great Britain 20 minims = 1 fluid scruple; 3 fluid scruples = 1 fluid dram; 8 fluid drams = 1 fluid ounce; 20 fluid ounces = 1 pint; 8 pints = 1 imperial gallon (277.42 cubic inches). |

| a·poth·e·car·ies' measure (ə-pŏth'ĭ-kěr'ēz) n. A system of liquid volume measure used in pharmacy. It has been largely replaced by measures of the metric system. |
apothecaries' measure a·poth·e·car·ies' measure (ə-pŏth'ĭ-kěr'ēz)
n.
A system of liquid volume measure used in pharmacy.