Definitions

1. noun

a soft silvery-white chemical element of the alkaline-earth group, used in medicine as a contrast agent in X-ray diagnostics, and in industry as a flux in refining metals.

“The doctor prescribed a barium meal to help diagnose the patient’s digestive issues.”

2. adjective

relating to or containing barium.

“barium sulfide is a yellow or white compound used as a pigment”