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Definition of barium

barium

/ˈbɛəriəm/
bar · i · um
Adjective:baric
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barium Lexical Profile

barium Game Scores & Validity

• noun

1

A soft, silvery-white reactive alkaline earth metal with the atomic number 56 and symbol Ba, whose compounds are widely used in pyrotechnics, glassmaking, and as a radiopaque contrast agent in X-ray imaging of the digestive tract.

Example

"The patient was asked to swallow a chalky barium suspension before undergoing the gastrointestinal X-ray."

• Rhymes for barium

• Nearby Words

barista
barito
baritone
barium
bark
bark anole
barkeep

Word Origin & Etymology

Coined in 1808 by English chemist Sir Humphry Davy from baryta, which derives from Ancient Greek barys ('heavy'), combined with the chemical suffix -ium.

Cite this Entry

Wordmom. (2026). Definition of Barium. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/barium
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