U

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U,

21st letter of the alphabetalphabet
[Gr. alpha-beta, like Eng. ABC], system of writing, theoretically having a one-for-one relation between character (or letter) and phoneme (see phonetics). Few alphabets have achieved the ideal exactness.
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, corresponding to the Greek upsilon [Gr.,=u without the aspirate]. Until the late Middle Ages the capital was V, the minuscule u, no distinction being made between the consonantal and vocalic uses of the letter. The fixing of modern orthography, however, has restricted u to the vowel, v to the consonant. In phonetics ŭ usually represents a high back rounded vowel, rather like o͝o in foot; English ū is a triphthong of y, o͝o, and w as in utensil; the Continental ū, or o͞o, is a diphthong of o͝o and w, as in glue. In chemistry, U is the symbol of the element uraniumuranium
, radioactive metallic chemical element; symbol U; at. no. 92; mass number of most stable isotope 238; m.p. 1,132°C;; b.p. 3,818°C;; sp. gr. 19.1 at 25°C;; valence +3, +4, +5, or +6.
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.

U,

honorific used in Myanmar. See second part of name (e.g., Thant, UThant, U
, 1909–74, Burmese diplomat, secretary-general of the United Nations (1962–72). Educated at University College, Yangon, he later held positions in education, the press, and broadcasting.
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).

u

(particle physics)

U

(chemistry)

U

(Unit) A unit of measurement (1.75") of the height of a rack-mounted device. Thus, a 1U product has a vertical measurement of 1.75"; 2U is 3.5"; 3U is 5.25" and so on. See rack mounted. See also U interface.


A Lot of Electronics in Only 1U
This Xtore Extreme (www.xtore-es.com) storage server packs a lot of punch in a 1U case, including two CPUs, multiple drives and multiple power supplies.
References in periodicals archive ?
Ben Woodburn, on loan from Liverpool, made a good run into the box but hit his effort straight at the keeper as the U's suddenly looked the more likely to score before the break.
In her current role, Watkins has worked closely with campus leaders to set the university's strategic direction and align the U's resources with its academic priorities.
The U's got some hope when Davies bundled into his own net after Gavin Massey's shot came off a post.
While other countries struggled to find enough W's for all the www addresses they were using, we Americans were buying bargain six-packs of U's and riveting them together in pairs to form three W's.
And the U's thought they'd equalised when Watt and Ibehre combined to leave Olefumi with options in the area.
Also, the Wii U's bespoke social network, the Miiverse, will be available on smartphones from the spring.
Jordan Rhodes had scored after just three minutes for the Terriers, but the U's replied through Kayode Odejayi and Michael Antonio before half-time.
Colchester have completed the signing of Ipswich striker Kevin Lisbie, who returns to the U's on a season-long loan deal.
NBC U's Telemundo, which has been kept firmly in second place by numero uno Univision (thanks to Univision's telenovelas) has found a way to increase growth through sports.
Coventry City have been linked with Oxford United defender Luke Foster but U's chairman Nick Merry has moved quickly to quash speculation that the club is willing to cash in on the 22-year-old.
The Bar U's business structure, various ownerships and strategies, and major influencers and impacts draws on a host of source materials, from local and oral histories to papers, to reveal the evolution of the bar U's ranching methods.
A passionate affair can be expected between the two local rivals, but injuries to key players could deny the U's the opportunity of recording a memorable victory.