Dram (unit)
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The dram is a unit of mass in the avoirdupois system, and both a unit of mass and a unit of volume in the apothecaries' system. It was originally both a coin and a weight in ancient Greece. The unit o
Silver Drachm from Dyrrhachium, Illyria dated c. 229 BC. Obverse: ΞΕΝΩΝ (Xenon) cow standing right, looking back at calf which it suckles, eagle standing right above; Reverse: DUR PURBA, square containing double stellate pattern, club to left. Size: 20mm; Reference: Ceka 360
A "wee dram", in Scotland the 35 ml measurement.
Drop (unit)
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The drop is an approximated unit of measure of volume, the amount dispensed as one drop from a dropper or drip chamber. It is often used in giving quantities of liquid drugs to patients, and occasiona
One drop hanging from the dropper.