u









u


noun, plural U’s or Us, u’s or us.

  1. the 21st letter of the English alphabet, a vowel.
  2. any spoken sound represented by the letter U or u, as in music, rule, curious, put, or jug.
  3. something having the shape of a U.
  4. a written or printed representation of the letter U or u.
  5. a device, as a printer’s type, for reproducing the letter U or u.

pronoun Pronunciation Spelling.

  1. you: Shoes Fixed While U Wait.

noun

  1. a Burmese title of respect applicable to a man: used before the proper name.

adjective Informal.

  1. characteristic of or appropriate to the upper class, especially of Great Britain.

Symbol.

  1. (on a packaged product) certified as kosher by the Union of Orthodox Hebrew Congregations.
  2. the 21st in order or in a series, or, when I is omitted, the 20th.
  3. Chemistry. uranium.
  4. Biochemistry. uracil.
  5. Thermodynamics. internal energy.
  6. British. a designation for motion pictures determined as being acceptable for viewing by all age groups.Compare A(def 11), X(def 9).

  1. and.

  1. uniform.
  2. unit.
  3. unsatisfactory.
  4. upper.

  1. and.

  1. uncle.
  2. uniform.
  3. union.
  4. unit.
  5. united.
  6. university.
  7. unsatisfactory.
  8. upper.

noun plural u’s, U’s or Us

  1. the 21st letter and fifth vowel of the modern English alphabet
  2. any of several speech sounds represented by this letter, in English as in mute, cut, hurt, sure, pull, or minus
    1. something shaped like a U
    2. (in combination)a U-bolt; a U-turn

symbol for

  1. united
  2. unionist
  3. university
  4. (in Britain)
    1. universal (used to describe a category of film certified as suitable for viewing by anyone)
    2. (as modifier)a U film
  5. chem uranium
  6. biochem uracil

abbreviation for

  1. text messaging you

adjective

  1. British old-fashioned, informal (esp of language habits) characteristic of or appropriate to the upper classCompare non-U

noun

  1. a Burmese title of respect for men, equivalent to Mr

abbreviation for

  1. maths union
  2. unit
  3. united
  4. university
  5. upper

for historical evolution, see V. Used punningly for you by 1588 [“Love’s Labour’s Lost,” V.i.60], not long after the pronunciation shift that made the vowel a homonym of the pronoun. As a simple shorthand (without intentional word-play), it is recorded from 1862. Common in business abbreviations since 1923 (e.g. U-Haul, attested from 1951).

  1. The symbol for the elementuranium

  1. Abbreviation of uracil
  2. The symbol for uranium.

U

  1. A heavy, silvery-white, highly toxic, radioactive metallic element of the actinide series. It has 14 known isotopes, of which U 238 is the most naturally abundant, occurring in several minerals. Fissionable isotopes, especially U 235, are used in nuclear reactors and nuclear weapons. Atomic number 92; atomic weight 238.03; melting point 1,132°C; boiling point 3,818°C; specific gravity 18.95; valence 2, 3, 4, 5, 6. See Periodic Table.
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