- Element with symbol Ba - Metallic element - Silvery-white element - Silvery-White Metallic Element - Soft silvery-white element - One of the elements, belonging to the alkaline earth group;
a metal having a silver-white color, and melting at a very high
temperature. It is difficult to obtain the pure metal, from the
facility with which it becomes oxidized in the air. Atomic weight, 137.
Symbol, Ba. Its oxide called baryta.