What is the meaning of U?

noun

  • A base containing nitrogen that is found in RNA (but not in DNA) and derived from pyrimidine; pairs with adenine.
  • A heavy toxic silvery-white radioactive metallic element; occurs in many isotopes; used for nuclear fuels and nuclear weapons.
  • The 21st letter of the Roman alphabet.

adjective

  • Chiefly British. ( of or appropriate to the upper classes especially in language use).
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). u. Retrieved September 20, 2026, from http://smartdefine.org/u/definitions/1217743
ChicagoWordNet. 2010. "u" http://smartdefine.org/u/definitions/1217743 (accessed September 20, 2026).
HarvardWordNet 2010, u, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/u/definitions/1217743>.
MLAWordNet. "u" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/u/definitions/1217743>
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