U

U ¹  (y)

adj.

Chiefly British Of or appropriate to the upper class, especially in language usage.

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[u(pper class).]

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U ²  ()

n.

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

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[Burmese.]

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U ³

1. The symbol for the element uranium.

2. The symbol for internal energy.

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U ⁴

abbr.

1. unsatisfactory

2. uracil

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u ¹ or U  (y)

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.

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u ²

abbr.

up quark

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u, U [juː]

n pl u's, U's, Us

1. (Linguistics) the 21st letter and fifth vowel of the modern English alphabet

2. (Linguistics / 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

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U¹

symbol for

1. united

2. (Government, Politics & Diplomacy) unionist

3. (Social Science / Education) university

4. (Performing Arts) (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. (Chemistry / Elements & Compounds) Chem uranium

6. (Life Sciences & Allied Applications / Biochemistry) Biochem uracil Text messaging

abbreviation for

(Electronics & Computer Science / Telecommunications) you

adj

(Sociology) Brit dated informal (esp of language habits) characteristic of or appropriate to the upper class Compare non-U

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U²

n

a Burmese title of respect for men, equivalent to Mr

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U

1. Abbreviation of uracil

2. The symbol for uranium.

Thesaurus

Noun	1.	U - a base containing nitrogen that is found in RNA (but not in DNA) and derived from pyrimidine; pairs with adenine uracil 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 weapons atomic number 92, uranium 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 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

Translations

U u [juː]

A. N (= letter) → U, u f
U for Uncle → U de Uruguay
U-shaped → en forma de U
see also U-turn

B. ADJ ABBR (Brit)

1. =upper-class

2. (Cine) =universal → todos los públicos

C. ABBR =University → U.

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

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U [ˈjuː] n abbr (British) (CINEMA) (=universal) → tous publics

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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

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

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

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U [juː] n abbr (Brit) (Cine) =universal → per tutti

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U [juː] n abbr (Brit) (Cine) =universal → per tutti

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u

n u [juː]

a turn, in the shape of the letter U, made by a motorist etc in order to reverse his direction. U مُنْحَنى نوني обратен завой zatáčka do protisměru u-sving der U-turn στροφή επί τόπου, αναστροφή cambio de sentido tagasipööre دور کامل U-käännös demi-tour פְּנִייַת פַּרסָה दिशा बदलने के लिए मोटर चालक इस आकार के टर्न का उपयोग करते हैं u megfordulás u-beygja inversione a U Ｕターン U턴 apsisukimas/posūkis atgal pakavveida pagrieziens U draai van 180^o u-sving, drosjesving zawrócenie/zwrot o 180 stopni inversão de marcha jumătate de întoarcere разворот obrátka do protismeru obrat polukružni okret U-sväng สิ่งที่มีลักษณะเป็นรูปตัวยู U dönüşü (駕駛)回轉 розворот کي شکل کا موڑ U vật hình chữ u U 字形