Uranium-oxide
noun, Chemistry.
1.
any of the compounds of uranium and oxygen, as UO 2 , UO 3 , U 4 O 9 , or U 3 O 8 .
2.
uranium dioxide.
3.
uranium trioxide.
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noun, Chemistry. 1. a radioactive orange powder, UO 3 , used in the manufacture of some ceramics.
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1. a combining form meaning “heavens,” used in the formation of compound words: uranography; uranometry. combining form 1. denoting the heavens: uranography urano- pref. Hard palate: uranoplasty.
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noun 1. the branch of astronomy concerned with the description and mapping of the heavens, and especially of the fixed stars. noun 1. (obsolete) the branch of astronomy concerned with the description and mapping of the stars, galaxies, etc
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noun, plural uranologies. Astronomy. 1. uranography. 2. a treatise on the celestial bodies.