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U

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Definition of the noun u

What does u mean as a name of something?

noun - plural: -

  1. a base containing nitrogen that is found in RNA (but not in DNA) and derived from pyrimidine; pairs with adenine
    • lexical domain: Substances - nouns denoting substances
    • synonym of U: uracil
    • more generic words: base / nucleotide = a phosphoric ester of a nucleoside
    • substance of: ribonucleic acid / RNA = a long linear polymer of nucleotides found in the nucleus but mainly in the cytoplasm of a cell where it is associated with microsomes
  2. a heavy toxic silvery-white radioactive metallic element; occurs in many isotopes; used for nuclear fuels and nuclear weapons
    • lexical domain: Substances - nouns denoting substances
    • synonyms of U: atomic number 92 / uranium
    • more generic terms: metal / metallic element = any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.
    • more specific terms:
    • substance of: pitchblende / uraninite = a mineral consisting of uranium oxide and trace amounts of radium and thorium and polonium and lead and helium
  3. the 21st letter of the Roman alphabet

Alternative definition of the noun u

noun

  1. Latn-def, en, name, U, u
  2. A thing in the shape of the letter U

Definition of the adjective u

What does u mean as an attribute of a noun?

adjective - degrees: -

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

Other definitions of u

What does u also mean?

abbreviation

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

letter

  1. Latn-def, en, letter, 21, u

letter

  1. Latn-def, en, letter, 21, u

pronoun

  1. [informal] you

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