U
WordNet

adjective


(1)   (chiefly British) of or appropriate to the upper classes especially in language use

noun


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

Letter



  1. The twenty-first letter of the basic modern Latin alphabet.

Symbol


U
  1. Symbol for uranium.
  2. IUPAC 1-letter abbreviation for uracil

Letter


U (uppercase, lowercase u)
  1. The twenty-first letter of the English alphabet, preceded by T and followed by V.

Noun



  1. The twenty-first letter of the English alphabet.


U
  1. (British film certificate) Universal - suitable for all ages
  2. Under
  3. University
  4. Up, Upper

Adjective


U
  1. Characteristic of the upper classes, particularly in use of language.

Quotations


Proper noun


  1. A language belonging to the Austro-Asiatic language family which is spoken in China.

Letter



  1. The letter U
 
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