barium

Synonyms:

Ba, atomic number 56

Types:

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baryta

any of several compounds of barium

barium hydroxide

white poisonous crystals; made by dissolving barium oxide in water

barium monoxide, barium oxide, barium protoxide

an oxide of barium; a whitish toxic powder

barium dioxide, barium peroxide

a white toxic powder obtained by heating barium oxide in air

Type of:

metal, metallic element

any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.