apothecaries' measure
/əˈpɒθəkərɪz/(亦作apothecaries' weight)
noun
mass noun
- 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 drachms or 24 scruples or 480 grains)〈史〉药衡（旧时用于药剂配制的液量单位制, 包括液体容积单位和重量单位, 分别以液盎司和金衡盎司为基本计量单位。1液盎司等于8打兰, 即480量滴; 1金衡盎司等于8 打兰, 即24吩, 或480格令）。