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oral pharynx ... orc
oral pharynx
(from the article "pharynx") The pharynx consists of three main divisions. The anterior portion is the nasal pharynx, the back section of the nasal cavity. The nasal pharynx connects to the second region, the ...
oral poetry
(from the article "Vietnamese literature") The oral poetry tradition is purely native. Older even than the linguistic separation of the Muong and Vietnamese languages 1,000 years ago, the oral poetry tradition probably has its origins ...
oral proceedings
(from the article "evidence") Under both systems of presenting and obtaining evidence, oral proceedings are generally accepted. The written proceedings favoured during the Middle Ages have been abolished, although the parties prepare their lawsuits ...
oral rehydration salts
(from the article "cholera") ...consists largely of replacing lost fluid and salts with the oral or intravenous administration of an alkaline solution of sodium chloride. For oral rehydration the solution is made by using ...
Oral Roberts University
private, coeducational institution of higher learning in Tulsa, Oklahoma, U.S. An interdenominational Protestant university, it emphasizes fundamentalist Christian values in its programs. A range of undergraduate programs leading to a ... [1 Related Articles]
oral stage
in Freudian psychoanalytic theory, initial psychosexual stage during which the developing infant's main concerns are with oral gratification. The oral phase in the normal infant has a direct bearing on ... [2 Related Articles]
oral testimony
(from the article "evidence") The oral testimony of witnesses competes in a sense with documentary evidence to the extent that one may exclude or supplement the other. Under Anglo-American law, almost anyone can be ...
oral transmission
(from the article "education") Among the Aztec, cultural preservation relied heavily upon oral transmission and rote memorization of important events, calendrical information, and religious knowledge. Priests and noble elders, who were called conservators, were ...
oral-aboral axis
(from the article "symmetry") ...and is termed the oral, or anterior, end, and the other of which, called the aboral, or posterior, end, forms the rear end of the animal and may bear the ...
Oran
city, northwestern Algeria. It lies along an open bay on the Mediterranean Sea coast, about midway between Tangier (Morocco) and Algiers, at the point where Algeria is closest to Spain. ... [5 Related Articles]
Oran, Great Mosque of
(from the article "Oran") ...Cathedral of Saint-Louis (rebuilt by the French in 1838), the Porte de Canastel (reconstructed in 1734), and the fountain in the Place Emerat (1789). In the Turkish part of the ...
Orang Asli
(from the article "Malaysia") In general, peninsular Malaysians can be divided into four groups. In the order of their appearance in the region, these include the various Orang Asli ("Original People") aboriginal peoples, the ...
Orang Ulu
(from the article "Malaysia") Smaller indigenous groups, such as the Orang Ulu-an ethnic category embracing the Kenyah, Kayan, Kelabit, Bisaya (Bisayah), Penan, and others-also contribute much to Sarawak's ethnic and cultural character. The Kenyah, ...
Orange
city, east-central New South Wales, Australia. It is located near the slopes of Mount Canobolas, an extinct volcano. In 1828 the area was named by Sir Thomas Mitchell in memory ...
Orange
town (township), New Haven county, southwestern Connecticut, U.S., west of New Haven on the Housatonic River. Originally a part of Milford colony (on land bought from the Paugusset Indians and ...
Orange
county, southeastern New York state, U.S., located mostly in the Hudson River valley. It is bordered by Pennsylvania to the northwest (the Delaware River constituting the boundary), New Jersey to ...
Orange
city, seat (1852) of Orange county, southeastern Texas, U.S. It lies at the Louisiana state line. Orange is a deepwater port on the Sabine River, which has been canalized to ...
orange
any of several species of small trees or shrubs of the genus Citrus of the family Rutaceae and their nearly round fruits, which have leathery and oily rinds and edible, ... [4 Related Articles]
Orange
county, eastern Vermont, U.S., bounded to the east by New Hampshire; the Connecticut River constitutes the border. It consists of a piedmont region that includes Butterfield, Knox, and Braintree mountains. ...
Orange
township, Essex county, northeastern New Jersey, U.S. It lies just west of Newark. Named Mountain Plantations when it was settled in 1678, it was later renamed to honour William, prince ...
Orange
town, Vaucluse departement, Provence-Alpes-Cote d'Azur region, southeastern France. It lies in a fertile plain on the left bank of the Rhone River, north of ...
Orange
city, Orange county, southern California, U.S. Adjacent to Anaheim (west) and Santa Ana (south), it lies along the Santa Ana River. Part of Rancho Santiago de Santa Ana, the city ...
Orange basin
(from the article "Africa") The Orange River is the longest in South Africa. Flowing across almost the entire width of the country, it makes its way from the highlands in the east through the ...
Orange Bowl
American college postseason gridiron football game played for many years on New Year's Day in Miami. It is one of four bowls that take turns hosting the Bowl Championship Series ... [7 Related Articles]
Orange Bowl Festival
(from the article "Orange Bowl") ...newly constructed Orange Bowl stadium, where it remained until it relocated to Joe Robbie Stadium (now called Dolphin Stadium) in 1995. Since 1990 the Orange Bowl has been sponsored by ...
Orange Democratic Movement
(from the article "Kenya") ...in a national referendum; the defeat was largely perceived as protest against Kibaki's administration. The debate over the constitution spawned a powerful new coalition of political parties, the Orange Democratic ...
Orange Democratic Movement-Kenya
(from the article "Kenya") ...of political parties, the Orange Democratic Movement (ODM), which included KANU. In 2007 dissension caused a rift within ODM, resulting in the formation of an additional coalition group, the Orange ...
Orange Free State
historical Boer state in southern Africa that became a province of the Republic of South Africa in 1910. One of the four traditional provinces of South Africa, it was bordered ... [10 Related Articles]
Orange Order
an Irish Protestant and political society, named for the Protestant William of Orange, who, as King William III of Great Britain, had defeated the Roman Catholic king James II. [6 Related Articles]
orange osmanthus
(from the article "tea olive") ...Hawaii, and New Caledonia. Sweet olive, or sweet osmanthus (Osmanthus fragrans), a 10-metre (33-foot) tree, produces an edible fruit. Its leaves, used to perfume tea, hide the white flowers. Orange ...
orange peel bucket sampler
(from the article "undersea exploration") ...type of clamshell snapper is appreciably smaller. Commonly called the mud snapper, this device is approximately 28 centimetres long and weighs 1.4 kilograms. Other grabbing devices include the orange peel ...
Orange Prize
(from the article "Literature") The winner of the Orange Broadband Prize for Fiction, awarded to a female author for a work written in English and published in the U.K., was Nigerian writer Chimamanda Ngozi ...
Orange Revolution
(from the article "Ukraine") The presidential election of 2004 brought Ukraine to the brink of disintegration and civil war. Cleared to seek a third term as president by the Constitutional Court, Kuchma instead endorsed ...
Orange River
river in southern Africa, one of the longest rivers on the continent and one of the longest south of the Tropic of Capricorn. After rising in the Lesotho Highlands, less ... [6 Related Articles]
Orange River Project, The
(from the article "Orange River") In order to obtain comprehensive control of the river, the Orange River Project was located farther upstream, between the Caledon and Vaal confluences. The plan consists of a number of ...
orange sulfur butterfly
(from the article "sulfur butterfly") Some species have two colour patterns; e.g., Colias eurytheme is usually orange with black wing margins, but some females are white with black margins. The larvae feed on clover and ...
Orange Walk
town, northwestern Belize, situated on the left (west) bank of the New River. Established in early colonial times, it was pillaged by rebellious Maya in 1872. During the late 19th ...
Orange, councils of
two church synods held in Orange, France, in 441 and 529. The first, under the presidency of St. Hilary of Arles, dealt mainly with disciplinary matters. The second, and by ... [3 Related Articles]
Orange, Guillaume d'
(from the article "chanson de geste") Besides the stories grouped around Charlemagne, there is a subordinate cycle of 24 poems dealing with Guillaume d'Orange, a loyal and long-suffering supporter of Charlemagne's weak son, Louis the Pious. ...
Orange, House of
princely dynasty that derived its name from the medieval principality of Orange, in old Provence in southern France. The dynasty was important in the history of The Netherlands and is ... [4 Related Articles]
orange-mouthed olive
(from the article "olive shell") ...in sandy bottoms. Common in southeastern American waters is the lettered olive (Oliva sayana), about 6 cm (2.5 inches) long. Abundant in the Indo-Pacific region is the 8-centimetre (3-inch) orange-mouthed ...
orange-tip butterfly
any of a group of butterflies in the subfamily Pierinae (family Pieridae, order Lepidoptera) that have a wingspan of 37 to 63 mm (1.5 to 2.5 inches). The orange-tips, so ...
Orangeburg
county, central South Carolina, U.S. The South Fork Edisto and Edisto rivers form the southwestern boundary, and the North Fork Edisto River flows through the southwestern part of the county. ...
Orangeburg
city, seat of Orangeburg county, central South Carolina, U.S. It is situated on the North Fork Edisto River. In 1735 Germans, Swiss, and Dutch established a settlement, naming it for ... [1 Related Articles]
Orangeburg Massacre
(from the article "South Carolina") The social revolution that ended racial segregation included some tragic events, such as the Orangeburg Massacre (1968), in which three African American students died in a confrontation with state police ...
Orangerie
(from the article "Paris") At the western edge of the gardens, Napoleon III erected a hothouse, known as the Orangerie, and the Jeu de Paume, an indoor court for tennis. Both eventually were adapted ...
orangery
garden building designed for the wintering of exotic shrubs and trees, primarily orange trees. The earliest orangeries were practical buildings that could be completely covered by planks and sacking and ... [2 Related Articles]
Oranges, War of the
(1801), brief conflict in which France and Spain fought against Portugal. The war was brought about by Portugal's refusal in 1800 to accept Napoleon's demands to become a political and ... [1 Related Articles]
Orangia Union
(from the article "Botha, Louis") ...party of opposition, but Botha's program of continued conciliation caused a split among his own followers. Concerned with the survival of their Afrikaner heritage, they formed the Orangia-Unie (Orangia Union), ...
orangutan
the only Asian great ape, found in lowland rainforests on the Southeast Asian islands of Sumatra and Borneo. The orangutan possesses cognitive abilities comparable to those of the gorilla and ... [8 Related Articles]
Oranjemund
planned company town in one of the principal gem-diamond-producing areas of the world, extreme southwestern Namibia. It is located near the Atlantic coast about 5 miles (8 km) north of ... [1 Related Articles]
Oranjestad
seaport and chief administrative centre of the Caribbean island of Aruba, located on the island's western coast. It is a free port and a petroleum-processing and shipping centre. The enclosed ...
Oranjestad
(from the article "Sint Eustatius") ...similar to those of municipalities of the metropolitan Netherlands. The government provides medical and dental care. The spoken language is English. Much of the population is concentrated in Oranjestad. Pop. ...
orant
in Christian art, a figure in a posture of prayer, usually standing upright with raised arms. The motif of the orant, which seems to reflect the standard attitude of prayer ...
Oraon
aboriginal people of the Chota Nagpur region in the state of Bihar, India. They call themselves Kurukh and speak a Dravidian language akin to Gondi and other tribal languages of ... [1 Related Articles]
Orapa
mining town, east-central Botswana. It is located about 240 miles (385 km) north of Gaborone, the national capital. Situated on the eastern edge of the Kalahari (desert), the town was ...
orarium
(from the article "stole") ...or a secular scarf used as a symbol of rank. In the 4th century it was worn as a vestment by deacons in the Eastern churches, and it was adopted ...
Oratorian
member of either of two separate but similar congregations of secular priests, one centred in Rome and the other in France.
oratorio
a large-scale musical composition on a sacred or semisacred subject, for solo voices, chorus, and orchestra. An oratorio's text is usually based on scripture, and the narration necessary to move ... [10 Related Articles]
oratorio choir
(from the article "choir") ...choirs, sometimes called choruses, coincided largely with the beginnings of opera, in which choruses have generally taken some part. Opera-house choruses normally employ professional singers. An oratorio choir, on the ...
oratory
(from the article "oratory") in architecture, a small, private chapel (q.v.).oratoryThe oratory of the Cathedral Church of Saint Matthew, Dallas.
oratory
the rationale and practice of persuasive public speaking. It is immediate in its audience relationships and reactions, but it may also have broad historical repercussions. The orator may become the ... [24 Related Articles]
Oratory of Jesus and Mary Immaculate, Congregation of the
(from the article "Oratorian") The Congregation of the Oratory of Jesus and Mary Immaculate-popularly called the Berullians as well as the Oratorians-derives and takes some of its rules from the organization of St. Philip, ...
Oratory of St. Philip Neri, Institute of the
(from the article "Oratorian") The Institute of the Oratory of St. Philip Neri was founded by the saint in Rome in 1575, approved in 1612, and confederated and reapproved in 1942. It consists of ...
Orava Valley
(from the article "Stredni Slovensko") ...and Tisovec. Brown coal (lignite) is mined at Novaky-Handlova and at Potor-Modry Kamen. Hydroelectric power, produced by a series of dams on the Vah and Orava rivers, is Stredni Slovensko ...
orb
emblem of royal power, usually made of precious metal and jewels and consisting of a sphere surmounted by a cross. The ball as a symbol of the cosmos, or of ...
orb weaver
any spider of the family Araneidae (Argiopidae or Epeiridae) of the order Araneida, a large and widely distributed group noted for their orb-shaped webs. More than 2,500 species are known. [3 Related Articles]
orb web
(from the article "spider") ...it is an efficient trap that enables the largest area to be covered with the least possible silk. The web acts like an air filter, trapping weak-flying insects that cannot ...
Orbach, Jerry
American actor and singer (b. Oct. 20, 1935, Bronx, N.Y.-d. Dec. 28, 2004, New York, N.Y.), made his mark in the theatre world as a Broadway song-and-dance man-originating such roles ...
Orban, Viktor
(from the article "Hungary") ...parliamentary elections in April 2006. Economic issues were uppermost in discussions, and Fidesz continued to lead the polls, although its margin began shrinking later in the year. Opposition leader Viktor ...
Orbe River
(from the article "Jura Mountains") ...collected its own cistern water; today, modern supply networks bring water up from the deep gorges of the Doubs and other rivers. Lake Joux has an underground outlet reappearing as ...
Orbea, Fernando de
(from the article "Latin American literature") ...spectators alike. Reworkings of plays by Calderon and Lope de Vega competed with original dramas that glorified the reconquest of Spain from Muslim invaders and the conquest of America. Fernando ...
Orbeliani, Sulkhan-Saba
(from the article "Georgian literature") In the early 18th century, Sulkhan-Saba Orbeliani, supported by his pupil and nephew King Vakhtang VI, introduced modern schooling and printing to Georgia. Orbeliani also compiled the first extant Georgian ...
Orbell, Margaret
(from the article "New Zealand literature") ...poetry were impressive and beautiful, but the music was "tuneless and monotonous" and tended to be ignored. It is, however, inseparable from the words, and the scholars Mervyn McLean and ...
orbicularis oculi muscle
(from the article "eye, human") ...canthus. The lid may be divided into four layers: (1) the skin, containing glands that open onto the surface of the lid margin, and the eyelashes; (2) a muscular layer ...
orbicule
(from the article "igneous rock") The term orbicular is applied to rounded, onionlike masses with distinct concentric layering that are distributed in various ways through otherwise normal-appearing phaneritic rocks of silicic to mafic composition. The ...
Orbigny, Alcide Dessalines d'
founder of the science of micropaleontology. [2 Related Articles]
Orbignya
(from the article "Amazon River") ...(Lecythis), and sucupira trees (Bowdichia). Below the canopy are two or three levels of shade-tolerant trees, including certain species of palms-of the genera Mauritia, Orbignya, and Euterpe. Myrtles, laurels, bignonias, ...
Orbignya cohune
(from the article "palm") In tropical forest ecosystems palms are important in many ways. Breathing roots help aerate waterlogged soils. Orbignya cohune is known to be important in the development of the soil profile-stems ...
Orbignya phalerata
(from the article "palm") ...leaf litter in their crowns (Asterogyne martiana, Eugeissona minor, Pinanga ridleyana, and Daemonorops verticillaris), presumably trapping important nutrients. Some palms (Orbignya phalerata) contribute large amounts of dry matter, which, when ...
Orbiliales
(from the article "fungus") Parasitic or saprobic, with many found on bark; includes some cup fungi; contains one order.Parasitic on nematodes, non-lichen-forming; inoperculate ascus, may bifurcate and have a flexible stalk and truncated ...
Orbiliomycetes
(from the article "fungus") ...lichens; asci may be lecanoralean or prototunicate; example genera include Heppia, Lichina, and Peltula.Parasitic or saprobic, with many found on bark; includes some cup fungi; contains one order.
Orbiniida
(from the article "annelid") ...3 m; examples of genera: Palola (palolo), Eunice, Stauronereis, Lumbineris, Onuphis.Sedentary; head pointed or rounded without appendages; ...
Orbison, Roy
American singer-songwriter best remembered for his soaring voice, one of the most operatic in all rock music, and for his carefully crafted ballads of loneliness and heartache. [1 Related Articles]
orbit
(from the article "eye, human") The eye is protected from mechanical injury by being enclosed in a socket, or orbit, which is made up of portions of several of the bones of the skull to ...
orbit
in astronomy, path of a body revolving around an attracting centre of mass, as a planet around the Sun or a satellite around a planet. In the 17th century, Johannes ... [27 Related Articles]
orbit
(from the article "ballistics") A trajectory is the path of a shot, subject to the forces of gravity, drag, and lift. Under the sole influence of gravity, a trajectory is parabolic. (See the animation ...
orbital
in chemistry and physics, a mathematical expression, called a wave function, that describes properties characteristic of no more than two electrons in the vicinity of an atomic nucleus or of ... [18 Related Articles]
orbital angular momentum
(from the article "spectroscopy") For atoms in the first three rows and those in the first two columns of the periodic table, the atom can be described in terms of quantum numbers giving the ...
orbital element
(from the article "celestial mechanics") ...corresponds to a circle. If the Sun is at the focus S of the ellipse, the point P at which the planet is closest to the Sun is called the ...
orbital period
(from the article "Moons of Mars") Neptune's orbital period of 163.72 years means that by mid-2010 it will have circled the Sun only once since its discovery in September 1846. Consequently, astronomers expect to be making ...
orbital quantum number
(from the article "spectroscopy") ...axis, and the magnitude of the angular momentum is limited to the quantum values l(l + 1) (ℏ), in which l is an integer. The number l, called the orbital ...
orbital resonance
(from the article "celestial mechanics") There are stable configurations in the restricted three-body problem that are not stationary in the rotating frame. If, for example, Jupiter and the Sun are the two massive bodies, these ...
orbital velocity
velocity sufficient to cause a natural or artificial satellite to remain in orbit. Inertia of the moving body tends to make it move on in a straight line, while gravitational ...
Orbiter, Project
(from the article "Braun, Wernher von") In 1954 a secret army-navy project to launch an Earth satellite, Project Orbiter, was thwarted. The situation was changed by the launching of Sputnik 1 by the Soviet Union on ...
Orbiting Astronomical Observatory
any of a series of four unmanned U.S. scientific satellites developed to observe cosmic objects from above the Earth's atmosphere. OAO-1 was launched on April 8, 1966, but its power ... [2 Related Articles]
Orbiting Geophysical Observatory
any of a series of six unmanned scientific satellites launched by the United States from 1964 to 1969. Equipped with a complex of magnetometers, these orbiting satellites were designed to ...
Orbiting Solar Observatory
(from the article "space exploration") ...States, Europe, the Soviet Union, and Japan developed a variety of space missions, often in a coordinated fashion. In the United States, early studies of the Sun were undertaken by ...
Orbivirus
(from the article "reovirus") ...a core of segmented, double-stranded RNA. Characteristic features of structure, preferred hosts, and chemistry are the basis for dividing reoviruses into several genera, of which Orthoreovirus, Orbivirus, Rotavirus, and Phytoreovirus ...
Orbom, Eric
(from the article "1960: Other Winners") ...Sons And LoversCinematography, Color: Russell Metty for SpartacusArt Direction, Black-and-White: Alexander Trauner for The ApartmentArt Direction, Color: Alexander Golitzen and Eric Orbom for SpartacusMusic Score of a Dramatic or Comedy ...
orc
a mythical creature (such as a sea monster, a giant, or an ogre) of horrid form or aspect.