1. A soft silvery metallic element of the alkali earth group; found in barite
   "Barium compounds are used in X-ray imaging of the digestive system";
   - Ba, atomic number 56

Derived forms: bariums

Type of: metal, metallic element

Part of: barite, barium selenite, barium sulphate, barytes, heavy spar

Encyclopedia: Barium, Apulia