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) orU
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
(uː)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:
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| Noun | 1. | 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 element; occurs in many isotopes; used for nuclear fuels and nuclear weaponsmetal, 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 alphabetLatin 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]B. ADJ ABBR (Brit)
1. =upper-class
2. (Cine) =universal → todos los públicos
C. ABBR =University → U.
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 mU for Uncle → U comme Ursule
U
[ˈjuː] n abbr (British) (CINEMA) (=universal) → tous publicsCollins English/French Electronic Resource. © HarperCollins Publishers 2005
U
, un
→ 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 invU for Uncle → U come Udine
U
[juː] n abbr (Brit) (Cine) =universal → per tuttiCollins 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.