CRITH
Source: 567
Crith (krĭth), n. [[Gr. κριθή a barleycorn, a small weight.]] (Chem.) The unit for estimating the weight of aëriform substances; — the weight of a liter of hydrogen at 0° centigrade, and with a tension of 76 centimeters of mercury. It is 0.0896 of a gram, or 1.38274 grains.