U

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U 1

 (yo͞o)
adj.
Chiefly British Of or appropriate to the upper class, especially in language usage.


U 2

 (o͞o)
n.
Used as a courtesy title before the name of a man in a Burmese-speaking area.

[Burmese.]

U 3

1. The symbol for uranium.
2. The symbol for internal energy.

U 4

abbr.
1. unsatisfactory
2. uracil

u 1

or U  (yo͞o)
n. pl. u's or U's also us or Us
1. The 21st letter of the modern English alphabet.
2. Any of the speech sounds represented by the letter u.
3. The 21st in a series.
4. Something shaped like the letter U.
5. U A grade that indicates an unsatisfactory status.

u 2

abbr.
up quark
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

u

(juː) or

U

n, pl u's, U's or Us
1. (Linguistics) the 21st letter and fifth vowel of the modern English alphabet
2. (Phonetics & Phonology) any of several speech sounds represented by this letter, in English as in mute, cut, hurt, sure, pull, or minus
3.
a. something shaped like a U
b. (in combination): a U-bolt; a U-turn.

U

symbol for
1. united
2. (Government, Politics & Diplomacy) unionist
3. (Education) university
4. (Film) (in Britain)
a. universal (used to describe a category of film certified as suitable for viewing by anyone)
b. (as modifier): a U film.
5. (Elements & Compounds) chem uranium
6. (Biochemistry) biochem uracil
abbreviation for
(Telecommunications) text messaging you
adj
(Sociology) old-fashioned informal Brit (esp of language habits) characteristic of or appropriate to the upper class. Compare non-U

U

()
n
a Burmese title of respect for men, equivalent to Mr
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

U, u

(yu)

n., pl. U's Us, u's us.
1. the 21st letter of the English alphabet, a vowel.
2. any spoken sound represented by this letter.
3. something shaped like a U.
4. a written or printed representation of the letter U or u.

U

(yu)

pronoun. Pron. Spelling.
you: Shoes Fixed While U Wait.

U

(yu)

adj.
characteristic of the upper classes.
[1950–55; u(pper class)]

U

(u)

n.
a Burmese title of respect used before a man's name.

U


Symbol.
1. the 21st in order or in a series.
2. uranium.
3. uracil.
4. kosher (label).
[Union of Orthodox Hebrew Congregations]

U.

1. uncle.
2. union.
3. unit.
4. university.
5. unsatisfactory.

u.

1. and.
[< German und]
2. unit.
3. unsatisfactory.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

U

The symbol for uranium.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.U - a base containing nitrogen that is found in RNA (but not in DNA) and derived from pyrimidine; pairs with adenine
ribonucleic acid, RNA - (biochemistry) a long linear polymer of nucleotides found in the nucleus but mainly in the cytoplasm of a cell where it is associated with microsomes; it transmits genetic information from DNA to the cytoplasm and controls certain chemical processes in the cell; "ribonucleic acid is the genetic material of some viruses"
nucleotide, base - a phosphoric ester of a nucleoside; the basic structural unit of nucleic acids (DNA or RNA)
2.U - a heavy toxic silvery-white radioactive metallic elementU - a heavy toxic silvery-white radioactive metallic element; occurs in many isotopes; used for nuclear fuels and nuclear weapons
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.
uranium 235 - a uranium isotope with mass number 235; capable of sustaining chain reactions
uranium 238 - the commonest isotope of uranium; it is not fissionable but when irradiated with neutrons it produces fissionable plutonium 239
pitchblende, uraninite - a mineral consisting of uranium oxide and trace amounts of radium and thorium and polonium and lead and helium; uraninite in massive form is called pitchblende which is the chief uranium ore
3.U - the 21st letter of the Roman alphabetu - the 21st letter of the Roman alphabet
Latin alphabet, Roman alphabet - the alphabet evolved by the ancient Romans which serves for writing most of the languages of western Europe
alphabetic character, letter of the alphabet, letter - the conventional characters of the alphabet used to represent speech; "his grandmother taught him his letters"
Adj.1.u - (chiefly British) of or appropriate to the upper classes especially in language use
Britain, Great Britain, U.K., UK, United Kingdom, United Kingdom of Great Britain and Northern Ireland - a monarchy in northwestern Europe occupying most of the British Isles; divided into England and Scotland and Wales and Northern Ireland; `Great Britain' is often used loosely to refer to the United Kingdom
upper-class - occupying the highest socioeconomic position in a society
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations

U

u [juː]
A. N (= letter) → U, u f
U for UncleU de Uruguay
U-shapeden forma de U
see also U-turn
B. ADJ ABBR (Brit)
1. =upper-class
2. (Cine) =universaltodos los públicos
C. ABBR =UniversityU.
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

U

u [ˈjuː] n (= letter) → U m, u m
U for Uncle → U comme Ursule

U

[ˈjuː] n abbr (British) (CINEMA) (=universal) → tous publics
Collins English/French Electronic Resource. © HarperCollins Publishers 2005

U

, u
n
U nt, → u nt
(Brit Film inf) → jugendfreier Film
adj (Brit, = upper class) charakteristisch für die Gewohnheiten, Sprechweise etc der Oberschicht, → vornehm
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

U

u [juː] n (letter) → U, u f or m inv
U for Uncle → U come Udine

U

[juː] n abbr (Brit) (Cine) =universalper tutti
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995

u

(juː) : ˈU-turn noun
a turn, in the shape of the letter U, made by a motorist etc in order to reverse his direction.
Kernerman English Multilingual Dictionary © 2006-2013 K Dictionaries Ltd.
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