Urania
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~ (Greek mythology) the Muse of astronomy
uraninite
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~ a mineral consisting of uranium oxide and trace amounts of radium and thorium and polonium and lead and helium; uraninite in massive form is called pitchblende which is the chief uranium ore
uranium 238
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~ the commonest isotope of uranium; it is not fissionable but when irradiated with neutrons it produces fissionable plutonium 239
uranium 235
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~ a uranium isotope with mass number 235; capable of sustaining chain reactions
uranium ore
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~ any ore from which uranium can be extracted
uranium
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~ a heavy toxic silvery-white radioactive metallic element; occurs in many isotopes; used for nuclear fuels and nuclear weapons
uranologist
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~ a physicist who studies astronomy
uranology
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~ the branch of physics that studies celestial bodies and the universe as a whole
uranoplasty
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~ surgical correction of a defect of the palate
uranus
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~ (Greek mythology) god of the heavens; son and husband of Gaea and father of the Titans in ancient mythology
Uranus
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~ a giant planet with a ring of ice particles; the 7th planet from the sun has a blue-green color and many satellites; "Uranus was discovered by William Herschel in 1781"
uranyl
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~ the bivalent radical UO2 which forms salts with acids
uranyl radical
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~ the bivalent radical UO2 which forms salts with acids
uranyl group
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~ the bivalent radical UO2 which forms salts with acids
uranyl oxalate
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~ a salt obtained by the reaction of uranium salts with oxalic acid
uranyl nitrate
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~ a yellow salt obtained by the reaction of uranium salts with nitric acid
urarthritis
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~ a painful inflammation of the big toe and foot caused by defects in uric acid metabolism resulting in deposits of the acid and its salts in the blood and joints