barium
Meaning
- (uncountable, usually) The chemical element (symbol Ba) with an atomic number of 56. It is a soft, reactive, silvery alkaline earth metal.
- (countable, usually) A single atom of this element.
- (uncountable, usually) barium sulfate suspension.
Frequency
Pronounced as (IPA)
/ˈbɛəɹɪəm/
Etymology
Coined by British chemist Humphry Davy in 1808, from baryta + -ium.
Notes
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