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Common system of weight used in commerce and daily life. Avoirdupois
Common system of volume used for household measurement. Apothecary
Use of apothecary and avoirdupois is strongly: discouraged
One unit of weight is the same in both avoirdupois and apothecary system, which is: grain
The dram symbol means: 5 ml
a.s, au, ad means: left ear, both ears, right ear
o.u. os, od means: both eyes, left eye, right ear
Roman numerals X, C, and M mean: 10,100, and 1,000
Roman numerals V, L, D 5,50,500
Means per hundred Percent
Created by: Michelle Lee