Cesium

or Caesium (se'-ze-um)., "bluish gray Cs 132.6; quantivalence 1. A rare alkaline chemic and physical in pota ium metal resembling properties. C. bromid, like the other bromids, is a good sedative, but its cost is very great. The oxalate and nitrate have also been employed medicinally. Unof. C. chlorid, unof., lowers the pulse rate and raises the arterial pre ure. Dose gr. ij-v.