| 1. U | |
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(chiefly British) of or appropriate to the upper classes especially in language use
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| 1. U [ Synonyms: uracil] | |
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A base containing nitrogen that is found in RNA (but not in DNA) and derived from pyrimidine; pairs with adenine
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| 2. U [ Synonyms: atomic number 92, uranium] | |
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A heavy toxic silvery-white radioactive metallic element; occurs in many isotopes; used for nuclear fuels and nuclear weapons
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ایک بھاری تابکار دھاتی عنصر۔ |
| 3. U | |
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The 21st letter of the Roman alphabet
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