ADJ.
chemical, used
VERB + BARIUM
color
BARIUM + NOUN
radium
noun
The chemical element (symbol Ba) with an atomic number of 56. It is a soft, reactive, silvery alkaline earth metal.
A single atom of this element.
Barium sulphate suspension.
noun — a soft silvery metallic element of the alkali earth group
First, swallow one dose of barium.
Beryllium, magnesium, calcium, strontium, barium and radium are alkaline earth metals.
Barium is a chemical element with the symbol Ba.
What color is barium?
What's barium used for?