\Crith\ (kr?th), n. [Gr. ??? a barleycorn, a small
weight.] (Chem.)
The unit for estimating the weight of a?riform 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.