| | - U Cephei
- (from the article "star") ...falls under the gravitational influence of the smaller star. Matter is continuously fed from the more rapidly evolving star to the less massive one, which still remains on the main ...
- U component
- (from the article "Milky Way Galaxy") Space motions comprise a three-dimensional determination of stellar motion. They may be divided into a set of components related to directions in the Galaxy: U, directed away from the galactic ...
- U Geminorum star
- any of a class of irregular variable stars that display sudden increases in brightness so great that they are sometimes called dwarf novae. Some have been observed to brighten by ...
- U kalicha
- (from the article "Prague") ...lyric music of the great Czech composers Bedrich Smetana, Antonin Dvorak, and Leos Janacek is commemorated each year in a spring music festival. The U kalicha ("At the Chalice") beer ...
- U Ku
- (from the article "Burmese literature") ...Burmese literature. From 1875 onward, under British rule, the owners of printing presses began to publish popular works such as plays, complete with songs and stage directions. The tragic dramas ...
- U Thong style
- one of the canonical styles for Buddha icons developed in Thailand (Siam) in the southern capital of Ayutthaya, beginning in the 14th century. To retain the greatest spiritual potency, Buddha ... [1 Related Articles]
- U-1
- (from the article "submarine") ...of the century, only Britain remained indifferent toward submarines. Finally, in 1901, the Royal Navy ordered five of the Holland-design undersea craft. Germany completed its first submarine, the U-1 (for ...
- U-2
- single-seat, U.S. high-altitude jet reconnaissance and research aircraft. A prototype flew in 1955. On May 1, 1960, a U-2 was shot down over the Soviet Union (see U-2 Affair), and ... [3 Related Articles]
- U-2 Affair
- (1960), confrontation between the United States and the Soviet Union that began with the shooting down of a U.S. U-2 reconnaissance plane over the Soviet Union and that caused the ... [4 Related Articles]
- U-Bahn
- (from the article "Berlin") ...since the 19th century. Construction of the Stadt- or Schnellbahn (S-Bahn), a largely elevated and partly underground railway system, began in 1871, and building of the subway, or Untergrundbahn (U-Bahn), ...
- U-boat
- ("undersea boat"), a German submarine. The destruction of enemy shipping by German U-boats was a spectacular feature of both World Wars I and II. [10 Related Articles]
- U-shaped valley
- (from the article "fjord") Glacial erosion produces U-shaped valleys, and fjords are characteristically so shaped. Because the lower (and more horizontally inclined) part of the U is far underwater, the visible walls of fjords ...
- U-tanker
- (from the article "World War II") ...middle of the year that the Allies' introduction of the convoy system from the Caribbean northward constrained the raiders to go so far afield as the waters between Brazil and ...
- U-tube manometer
- (from the article "pressure gauge") The simplest device for measuring static pressures up to about 90 pounds per square inch (62 newtons per square cm) is a U-tube manometer (shown in the figure), in which ...
- U-value
- (from the article "building construction") ...paper on one side. Fibre insulations are made in thicknesses up to 23 centimetres (9.25 inches). The effectiveness of an insulation material is measured in terms of its heat-transfer rate, ...
- U.S. Diversified Group
- (from the article "USX Corporation") ...the operations formerly directed by the United States Steel Corporation. Its four independent operating units were USS (United States Steel Corporation), Marathon Oil, Texas Oil & Gas, and U.S. Diversified ...
- U.S. Integrated Earth Observation System
- (from the article "Earth Sciences") In September 2004 the United States released the first draft of its plan to monitor the Earth as part of the U.S. Integrated Earth Observation System, a component of the ...
- U.S. Middle East Partnership Initiative
- (from the article "Qatar") ...the largest percentage of featured speakers and participants among the record 480 attendees were from Great Britain and France. The annual conference complemented other Qatari efforts involving the U.S. Middle ...
- U.S. News & World Report
- weekly news magazine published in Washington, D.C., one of the most influential of its kind and the first to successfully imitate the general format pioneered by Time. It was established ... [1 Related Articles]
- U.S. Open
- (from the article "Football") ...kicks against the New England Revolution. It was New England's second straight MLS Cup loss and the third in five years. Earlier, the Chicago Fire beat the Los Angeles Galaxy ...
- U.S. Preventive Services Task Force
- (from the article "therapeutics") Following earlier work by the Canadian Task Force on the Periodic Health Examination, the U.S. Preventive Services Task Force was established to evaluate the effectiveness of various screening tests, immunizations, ...
- U.S. Rabbit Experimental Station
- (from the article "Fontana") ...was bought by Fontana Development Company. It was renamed Fontana (Italian: "Fountain") in 1913 by A.B. Miller, who promoted the city's growth as a poultry, hog, and citrus centre. The ...
- U.S. Seventh Cavalry
- (from the article "Elizabethtown") ...km) southeast of the city. During the American Civil War, the town was occupied by Union troops and was bombarded by the forces of the Confederate general John Hunt Morgan. ...
- U.S. Soil Taxonomy
- (from the article "U.S. Soil Taxonomy") The U.S. Soil Taxonomy classifies soils within a hierarchy of six categories. Only the highest-level category, order, is discussed here. Soil orders are named by adding the suffix -sol to ...
- U.S. standard pitch
- (from the article "pitch") ...as "French pitch," or "international pitch") at a' = 435. England, in 1896, adopted the "New Philharmonic Pitch" at a' = 439 and, in 1939, adopted the U.S. standard pitch ...
- U2
- Irish postpunk band that by the end of the 1980s had established itself not only as one of the world's most popular bands but also as one of the most ... [5 Related Articles]
- uakari
- any of several types of short-tailed South American monkeys with shaggy fur, humanlike ears, and distinctive bald faces that become flushed when the animal is excited. In two of the ...
- UAL
- (from the article "Business Overview") ...owned American Airlines, earned $175 million in the third quarter, up from $15 million in the same period in 2006, a performance in part aided by increased passenger fares. Higher ...
- Uaxactun
- ruined ancient Mayan city of the southern lowlands, located in what is now north-central Guatemala, about 12 miles (20 km) north of the ancient Mayan city of Tikal. Uaxactun was ... [1 Related Articles]
- Uayeb
- (from the article "Mayan calendar") ...start of the 365-day year varied. The 365-day year was divided into 18 named months (uinals) of 20 days plus one month of 5 "nameless" days, called ...
- Ubaid Period
- (from the article "Eridu") ...be one of the most important of the prehistoric urban centres in southern Babylonia. Founded on sand dunes probably in the 5th millennium BC, it fully illustrated the sequence of ...
- Ubaidian
- (from the article "Sumer") Sumer was first settled between 4500 and 4000 BC by a non-Semitic people who did not speak the Sumerian language. These people now are called proto-Euphrateans or Ubaidians, for the ...
- Ubaldi, Baldo degli
- (from the article "international law") ...of governance and relations between nations included the Italian lawyers Bartolo da Sassoferrato (1313/14-1357), regarded as the founder of the modern study of private international law, and Baldo degli Ubaldi ...
- Ubaldini, Ruggieri degli
- (from the article "Gherardesca family") ...his position to banish his personal enemies and to destroy their castles. He soon quarreled with his allies, the Visconti of Milan, and his interests then conflicted with those of ...
- Ubange-Uele plateau
- (from the article "Congo") The high plateaus border almost every side of the central basin. In the north the basin is protected by the Ubangi-Uele plateaus forming the divide between the drainage basins of ...
- Ubangi
- (from the article "Congo") ...clusters. The southern region between Brazzaville and the coast is inhabited by the Kongo peoples. Also in the south, the Teke inhabit the Bateke Plateau region. In the north, the ...
- Ubangi languages
- (from the article "Adamawa-Ubangi languages") ...hypothesis, therefore, these two groups-Gur and Adamawa-Ubangi-are being linked together as North Volta-Congo. The Adamawa-Ubangi languages are further subdivided into Adamawa and Ubangi subgroups.
- Ubangi River
- largest right-bank tributary of the Congo River, marking the border between Congo (Kinshasa) and Congo (Brazzaville). The Ubangi is formed by the union (near Yakoma, Congo [Kinshasa], on the border ... [4 Related Articles]
- Ubayd, Tall al-
- ancient site that gave its name to a prehistoric cultural period, the Ubaid, in Mesopotamia; it is located near the ruins of ancient Ur in present-day southeastern Iraq. Excavations have ... [3 Related Articles]
- Ubayyid, al-
- town, central Sudan. It lies on a sandy, scrub-covered plateau at an elevation of 1,869 feet (570 metres). Founded by the Egyptians in 1821, the town was captured and largely ... [1 Related Articles]
- Ube
- city, Yamaguchi ken (prefecture), Honshu, Japan, on the Inland Sea. Coal was mined in the area in the late 17th century, but Ube remained a small village until undersea mining ...
- Ubeda
- city, Jaen provincia (province), in the comunidad autonoma (autonomous community) of Andalusia, southern Spain. Ubeda lies northeast of the city of Jaen, on the ...
- Ubehebe Crater
- (from the article "Death Valley") ...of unique landforms. The five dune areas include the 680-foot- (205-metre-) high Eureka Sand Dunes, California's tallest. The northern section of the park is dotted with volcanic craters such as ...
- Ubelherr, Johann Georg
- (from the article "Western sculpture") ...glory of these Rococo interiors. Feichtmayr was a member of the group of families from Wessobrunn in southern Bavaria that specialized in stucco work and produced a long series of ...
- Uber Cup
- trophy representing the women's world championship in the sport of badminton. The cup was contributed by Mrs. H.S. Uber, former English champion, in 1956 for a series of women's international ... [2 Related Articles]
- Uberaba
- city, western Minas Gerais estado (state), southern Brazil. It is located in the highlands at 2,575 feet (785 metres) above sea level, on the Uberaba River. Uberaba ...
- Uberlandia
- city, western Minas Gerais estado (state), southern Brazil. It lies along the Bom Jardim River, which is a tributary of the Araguari River (also known as the ...
- Ubermarionette
- (from the article "theatre") ...to all actors; his admiration of Irving, his mother Ellen Terry, and Duse was profound, and he considered Isadora Duncan a supreme artist, but he did promote the concept that ...
- Uberti, Farinata degli
- Florentine nobleman who became the leader of the Florentine Ghibellines, the proimperial party. According to Dante (Inferno, canto X), Uberti alone dissuaded the members of the Ghibelline coalition from razing ...
- ubi sunt
- a verse form in which the poem or its stanzas begin with the Latin words ubi sunt ("where are &elipsis;") or their equivalent in another language and which has as ... [1 Related Articles]
- Ubi-Ogazu
- (from the article "African dance") The Igbo dance to a complex of sophisticated rhythms. In the Ubi-Ogazu dance, a version of the popular Atilogwu performed by a boys' team, the adult leader dances while playing ...
- Ubico (Castaneda), Jorge
- soldier and dictator who ruled Guatemala for 13 years (1931-44). [1 Related Articles]
- ubiquinone
- any of several members of a series of organic compounds belonging to a class called quinones. Widely distributed in plants, animals, and microorganisms, ubiquinones function in conjunction with enzymes in ... [4 Related Articles]
- ubiquitin
- (from the article "Ciechanover, Aaron J.") ...that they discovered involves a series of carefully orchestrated steps by which cells degrade, or destroy, the proteins that no longer serve any useful purpose. In the first step a ...
- ubiquitin ligase
- (from the article "Life Sciences") ...the means by which the receptor interacts with a hormone. A team led by Ning Zheng of the University of Washington School of Medicine studied the hormone receptor, TIR1, a ...
- ubiquitous computing
- (from the article "computer") Some researchers call this trend ubiquitous computing or pervasive computing. Ubiquitous computing would extend the increasingly networked world and the powerful capabilities of distributed computing-i.e., the sharing of computations among ...
- Ubon Ratchathani
- town, eastern Thailand, on the Khorat Plateau. It lies near the confluence of the Mun and Chi Rivers and is a major trading centre for rice, cattle, and tobacco. A ...
- UBS AG
- major bank formed in 1998 by the merger of two of Switzerland's largest banks, the Swiss Bank Corporation and the Union Bank of Switzerland. [1 Related Articles]
- UBV system
- system of classifying stars by spectral type, based on photometric measurements of the ultraviolet (U), blue (B), and visual (V [yellow]) magnitudes. These magnitudes are measured through filters sensitive to ... [2 Related Articles]
- Ubykh language
- (from the article "Caucasian languages") The Abkhazo-Adyghian group consists of the Abkhaz, Abaza, Adyghian, Kabardian, and Ubykh languages. Adyghians and Kabardians are often considered members of a larger, Circassian group. Abkhaz, with about 90,000 speakers, ...
- uc bey
- (from the article "Ottoman Empire") Ottoman dynasts were transformed from simple tribal leaders to border princes (uc beys) and ghazi leaders under Seljuq and then II-Khanid suzerainty in the 13th and early 14th centuries. With ...
- Ucayali River
- headwater of the Amazon, formed by the junction of the Apurimac and Urubamba rivers in east-central Peru. The Ucayali meanders northward from this junction for about 910 miles (1,465 km) ... [3 Related Articles]
- Uccello, Paolo
- Florentine painter whose work attempted uniquely to reconcile two distinct artistic styles-the essentially decorative late Gothic and the new heroic style of the early Renaissance. Probably his most famous paintings ... [2 Related Articles]
- Ucchi-pillaiyar Kovil
- (from the article "Ganapatya") ...minor deity to be propitiated at the beginning of all important undertakings and religious ceremonies. The sect erected temples dedicated to Ganesa, the largest of which is the Ucchi-pillaiyar Kovil, ...
- uchastok hospital
- (from the article "hospital") The Soviet Union took a somewhat different approach. In its thinly populated rural areas, general hospitals, called uchastok hospitals, served populations as small as 2,000 to 15,000 persons. These 15- ...
- Uchida, Shungiku
- In Japan, as elsewhere, success was part luck, part talent, and part hard work. For singer, dancer, author, and cartoonist Shungiku Uchida, it also included a calculated flouting of social ...
- Uchimura Kanzo
- Japanese Christian who was an important formative influence on many writers and intellectual leaders of modern Japan.
- Uchqurghon hydroelectric station
- (from the article "Naryn River") ...River flows westward for 430 miles (700 km), receiving many tributaries and draining an area of 22,540 square miles (58,370 square km). High water occurs in May. The reservoirs of ...
- Ucicky, Gustav
- Austrian film director known for historical and nationalistic German films done during Adolf Hitler's rise to power.
- Ucka, Mount
- (from the article "Istria") ...a limestone plateau, much of which lacks water owing to its karst topography. The northeast section consists of the mountains of the Dinaric Alps, with a maximum elevation of 4,596 ...
- Ucko, Peter John
- British archaeologist brought about a revolution in the way that archaeological study was approached and founded the World Archaeological Congress (WAC). In the 1980s Ucko, then British secretary of the ...
- ud
- stringed musical instrument prominent in medieval and modern Islamic music. It was the parent of the European lute. The 'ud has a deep, pear-shaped body; a fretless fingerboard; and a ... [6 Related Articles]
- Uda
- 59th emperor of Japan, from 887 to 897. [4 Related Articles]
- Udaipur
- (from the article "Udaipur") ...rail junction, Udaipur is an agricultural distributing centre. Its factories produce chemicals, asbestos, and clay. Cloth, embroidery, ivory, and lacquerware handicrafts are also manufactured there. Udaipur has several hospitals, a ...
- Udaipur
- city, southern Rajasthan state, northwestern India. It lies in the hills of the Aravali Range. Udaipur ("City of Sunrise") was made the capital of the princely state of Udaipur in ... [1 Related Articles]
- Udall, Morris King
- American politician (b. June 15, 1922, St. John's, Ariz.--d. Dec. 12, 1998, Washington, D.C.), was a liberal Democrat who served in the U.S. House of Representatives for 30 years and ...
- Udall, Nicholas
- English playwright, translator, and schoolmaster who wrote the first known English comedy, Ralph Roister Doister.
- Udana
- (from the article "anga") 5. Udana ("inspired utterance"), special sayings of the Buddha in prose or verse (also the name of a work in the Pali Khuddaka Nikaya ["Short Collection"]).
- Udasi
- monastic followers of Srichand (1494-1612?), the elder son of Nanak (1469-1539), the first Guru and the founder of Sikhism. The authoritative text of the Udasi movement is the [1 Related Articles]
- udatta
- (from the article "South Asian arts") ...the location of the original accent be inviolate if the Vedic texts were to be preserved accurately. The original Vedic accent occurs as a three-syllable pattern: the central syllable, called ...
- Udayadityavarman II
- (from the article "Angkor") ...later history of the city, the central temples were completely architectural creations (i.e., pyramid temples), such as the Phimeanakas of Suryavarman I (reigned c. 1000-50); the Baphuon of Udayadityavarman II ...
- Udayagiri
- village and archaeological site, south-central Orissa state, eastern India. In the village are located several Jaina and Buddhist rock-cut caves. One of these is a double-storied cave with ranges of ... [3 Related Articles]
- Udayanacarya
- Hindu logician who attempted to reconcile the views held by the two major schools of logic out of which developed the Navya Nyaya ("New Nyaya") school of "right" reasoning, which ... [2 Related Articles]
- Udayesvara
- (from the article "South Asian arts") ...unfortunately, they are considerably damaged, judging from the remains, they must have been very elegant structures. The best preserved and easily the finest bhumija temple is the Udayesvara (1059-82), situated ...
- Udden Grade Scale
- (from the article "sedimentary rock") ...scale, each size grade differs from its predecessor by the constant ratio of 1:2; each size class has a specific class name used to refer to the particles included within ...
- udder
- (from the article "dairying") ...produced by the cow from her blood, and a large amount of food is necessary for maintenance of a high producing cow. The products of digestion and absorption enter the ...
- Uddyotakara
- (from the article "Indian philosophy") Although as early as the commentators Prasastapaha (5th century AD) and Uddyotakara (7th century AD) the authors of the Nyaya-Vaisesika schools used each other's doctrines and the fusion of the ...
- Udegey
- (from the article "Amur River") The Amur River basin originally was populated by hunting and cattle-breeding nomadic people. North of the river these peoples included the Buryat, Sakha (Yakut), Nanai, Nivkh (Gilyak), Udegey, and Orok, ...
- Uderzo, Albert
- (from the article "Goscinny, Rene") ...and later worked on children's books in New York City. In 1954 he returned to Paris to direct a press agency and soon became a writer for the "Lucky Luke" ...
- Udhagamandalam
- town, western Tamil Nadu state, southern India. It is situated in the Nilgiri Hills at about 7,500 feet (2,300 metres) above sea level, sheltered by several peaks, including Doda Betta ...
- Udhampur
- town in Jammu and Kashmir state, northern India, in the Kashmir region of the Indian subcontinent. It is situated at an elevation of 2,500 feet (760 metres). The town is ...
- Udi language
- (from the article "Caucasian languages") ...Tabasaran (about 90,000); Agul (about 12,000); Rutul (about 15,000); Tsakhur (about 11,000); Archi (fewer than 1,000); Kryz (about 6,000); Budukh (about 2,000); Khinalug (about 1,500); and Udi (about 3,700). The ...
- Udi-Nsukka Plateau
- pair of plateaus in south-central Nigeria that form a nearly continuous elevated area. The Nsukka Plateau, which forms the main eastward-facing escarpment, extends about 80 miles (130 km) from Nsukka ... [1 Related Articles]
- Udina, Antonio
- (from the article "Romance languages") Many Romance dialects have virtually ceased to be spoken in the 20th century. Of these, Dalmatian is the most striking, its last known speaker, one Tuone Udaina (Italian Antonio Udina), ...
- Udine
- city, Friuli-Venezia Giulia regione, northeastern Italy. It lies northwest of Trieste, near the border with Slovenia. Possibly the site of a Roman frontier station called Utina, the city was the ...
- Udipi
- (from the article "Karnataka Coast") ...and sandy. The region forms a transitional zone between Maharashtra and Kerala states. The southern, or Mangalore, region has plantations of coconut and casuarina; the northern, or Udipi, region produces ...
- Udmurt
- (from the article "Slavic religion") ...Wooden buildings (the so-called continae) in which the faithful Baltic Slavs used to assemble for amusement, to deliberate, or to cook food have been observed in the 20th century among ...
- Udmurt language
- (from the article "Finno-Ugric languages") ...at different periods in history. Loanwords from Indo-Iranian seem to be the oldest. Finnish borrowed from Baltic languages in remote times and later from Germanic languages and Russian. Mari, Udmurt, ...
- Udmurtiya
- republic in west-central Russia. It lies partly in the basin of the middle Kama River, which flows along part of its southeastern boundary. The larger part of Udmurtiya lies in ...
- Udon Thani
- town, northeastern Thailand, near the northern (Laotian) border. Udon Thani is the major town of the northern Khorat Plateau and is served by road, rail, and air. The surrounding area ...
- UDP-glucose
- (from the article "metabolism") the products are UDP-glucose and pyrophosphate. In bacteria, fungi, and plants, ATP, CTP, or GTP serves instead of UTP. In all cases the nucleoside diphosphate glucose (NDP-glucose) thus synthesized can ...
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