barium monoxide

barium monoxide
an oxide of barium; a whitish toxic powder
Hypernyms: ↑baryta

Useful english dictionary. 2012.

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  • Monoxide — Mo*nox ide, n. [Mon + oxide.] (Chem.) An oxide containing one atom of oxygen in each molecule; as, barium monoxide. [1913 Webster] …   The Collaborative International Dictionary of English

  • barium oxide — noun an oxide of barium; a whitish toxic powder • Syn: ↑barium monoxide, ↑barium protoxide • Hypernyms: ↑baryta * * * noun : any oxide of barium; especially …   Useful english dictionary

  • barium — /bair ee euhm, bar /, n. Chem. a whitish, malleable, active, divalent, metallic element, occurring in combination chiefly as barite or as witherite. Symbol: Ba; at. wt.: 137.34; at. no.: 56; sp. gr.: 3.5 at 20°C. [1800 10; BAR(YTES) + IUM] * * *… …   Universalium

  • Barium oxide — Chembox new Name = Barium oxide OtherNames = Barium monoxide; barium protoxide; calcined baryta Section1 = Chembox Identifiers CASNo = 1304 28 5 Section2 = Chembox Properties Formula = BaO MolarMass = 153.3 g/mol Appearance = white solid Density …   Wikipedia

  • barium peroxide — noun a white toxic powder obtained by heating barium oxide in air • Syn: ↑barium dioxide • Hypernyms: ↑baryta * * * noun also barium dioxide : a compound BaO2 obtained as a grayish white toxic powder by heating barium monoxide in air or oxygen… …   Useful english dictionary

  • barium protoxide — noun an oxide of barium; a whitish toxic powder • Syn: ↑barium monoxide, ↑barium oxide • Hypernyms: ↑baryta …   Useful english dictionary

  • barium oxide — Chem. baryta (def. 1). Also called barium monoxide, barium protoxide. * * * …   Universalium

  • barium — A metallic, alkaline, divalent earth element; atomic no. 56, atomic wt. 137.327. Insoluble salts are often used in radiology as contrast media. [G. barys, heavy] b. chloride …   Medical dictionary

  • baryta — barytic /beuh rit ik/, adj. /beuh ruy teuh/, n. Chem. 1. Also called calcined baryta, barium oxide, barium monoxide, barium protoxide. a white or yellowish white poisonous solid, BaO, highly reactive with water: used chiefly as a dehydrating… …   Universalium

  • strontium oxide — noun : an oxide of strontium; especially : the crystalline monoxide SrO resembling lime and barium monoxide * * * strontium oxide, = strontia. (Cf. ↑strontia) …   Useful english dictionary

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