u
| 1. |
(satellite adjective) (chiefly British) of or appropriate to the upper classes especially in language use |
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| 2. |
(noun) a heavy toxic silvery-white radioactive metallic element; occurs in many isotopes; used for nuclear fuels and nuclear weapons |
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Synonyms: atomic number 92, uranium |
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Related Words: metal, metallic element, uranium 235, uranium 238 |
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