high valley in the Pyrenees east of Andorra, partly in Spain (Gerona provincia) and partly in France (Pyrenees-Orientales and Ariege departements). It is drained by the upper Segre River. Within ...
founder of the West Saxon kingdom, or Wessex. All the sovereigns of England except Canute, Hardecanute, the two Harolds, and William the Conqueror are said to be descended from him. ...
any grass yielding starchy seeds suitable for food. The cereals most commonly cultivated are wheat, rice, rye, oats, barley, corn (maize), and sorghum.
section of the brain that coordinates sensory input with muscular responses, located just below and behind the cerebral hemispheres and above the medulla oblongata.
X-ray examination of intracranial blood vessels after injection of radiopaque dye into the neck (carotid) artery. Whether arteries or veins are visualized depends on how long the film is exposed ...
a group of neurological disorders characterized by paralysis resulting from abnormal development of or damage to the brain either before birth or during the first years of life.
clear, colourless liquid that fills and surrounds the brain and the spinal cord and provides a mechanical barrier against shock. Formed primarily in the ventricles of the brain, the cerebrospinal ...
the largest and uppermost portion of the brain. The cerebrum consists of the cerebral hemispheres and accounts for two-thirds of the total weight of the brain. One hemisphere, usually the ...
county in Wales, extending from the western coast on Cardigan Bay to inland hills and valleys and the upland of Plynlimon, with an elevation of 2,468 feet (752 metres). Ceredigion ...
largest known asteroid in the solar system and the first to be discovered, by Giuseppe Piazzi of the Palermo Observatory on Jan. 1, 1801. Additional observations by Piazzi were cut ...
in Roman religion, goddess of the growth of food plants, worshiped either alone or in association with the earth goddess Tellus. At an early date her cult was overlaid by ...
town, Foggia provincia, Puglia (Apulia) regione, southeastern Italy. It lies on high ground marking the southern limit of the Puglia Tableland, southeast of Foggia.
(Ce), chemical element, most abundant of the rare-earth metals of transition Group IIIb of the periodic table. Cerium is iron gray in colour and about as soft and ductile as ...
international scientific organization established for the purpose of collaborative research into high-energy particle physics. Founded in 1954, the organization maintains its headquarters near Geneva and operates expressly for research of ...
(Celtic: "Horned One"), in Celtic religion, an archaic and powerful deity, widely worshipped as the "lord of wild things." Cernunnos may have had a variety of names in different parts ...
ballerina noted for the brilliance, strength, and vivacity of her dancing, and one of the few women in the 19th century to achieve distinction as a choreographer.
mining city and capital of Pasco department, located in the highlands of central Peru, northeast of Lima, to which it is connected by rail and highway. One of the world's ...
(April 1847), confrontation at a mountain pass about 60 miles (97 km) northwest of Veracruz, Mex., where the U.S. Army under General Winfield Scott first met serious resistance in the ...
pre-Columbian temple site in the present-day Casma Valley, of the north central coast of Peru, known for its unusual large stone sculptures. These carvings are in a style unlike anything ...
astronomical observatory founded in 1965 in Chile as the southern branch of the Kitt Peak National Observatory. It is located on top of a 7,200-foot- (2,200-metre-) high mountain, about 285 ...
songbird family, order Passeriformes, consisting of most of the tree creepers, small climbing birds found throughout woodlands of the Northern Hemisphere.
a receipt from a bank acknowledging the deposit of a sum of money. Among the common types are demand certificates of deposit and time certificates of deposit. Demand certificates of ...
in common-law jurisdictions, a writ issued by a superior court for the reexamination of an action of a lower court. Certiorari also is issued by an appellate court to obtain ...
lead carbonate (PbCO3), an important ore and common secondary mineral of lead. It is formed by the chemical action of carbonated water on the mineral galena. Notable localities are Murcia, ...
literary award established in 1976 by the Spanish Ministry of Culture. It is the most prestigious and remunerative award given for Spanish-language literature. The Cervantes Prize is presented to an ...
Spanish novelist, playwright, and poet, the creator of Don Quixote (1605, 1615) and the most important and celebrated figure in Spanish literature. His novel Don Quixote has been translated, in ...
disease characterized by the abnormal growth of cells in the cervix, the region of the uterus that joins the vagina. Cervical cancer was once a common cause of cancer deaths ...
ulceration of the lining of the uterine cervix made evident by bright red or pink spots around its opening. The cervix is the part of the uterus (womb) whose tip ...
inflammation of the uterine cervix, the small, thick-walled tube that is the protruding extension of the uterus (womb) leading into the vagina. The narrow central canal of the cervix is ...
French-speaking African poet and playwright, cofounder with Leopold Sedar Senghor of Negritude, an influential movement to restore the cultural identity of black Africans.
Italian physician, philosopher, and botanist who sought a philosophical and theoretical approach to plant classification based on unified and coherent principles rather than on alphabetical sequence or medicinal properties. He ...
departamento, northern Colombia, bounded on the northeast by Venezuela and on the southwest by the Magdalena River. Created in 1967, the departamento, with an area of 8,844 square miles (22,905 ...
French sculptor who was at the forefront of the New Realism movement with his radical compressions (compacted automobiles, discarded metal, or rubbish), expansions (polyurethane foam sculptures), and fantastic representations of ...
surgical removal of a fetus, at or before full term, from the uterus through an abdominal incision. Little is known of either the origin of the term or the history ...
Italian poet, essayist, translator, and literary critic who, by his essays and his translation of the purported poems of the legendary Gaelic bard Ossian, encouraged the development of Romanticism in ...
town, Forli provincia, Emilia-Romagna regione, northern Italy, on the Savio River at the northern foot of the Apennines, south of Ravenna. It originated as the ancient Caesena, a station on ...
city and district centre, Latvia, situated on the Gauja River at the foot of the Vidzeme (Livonia) highlands, 55 miles (90 km) northeast of the city of Riga. It is ...
(Cs), chemical element of Group Ia of the periodic table, the alkali metal group, first element to be discovered spectroscopically (1860), by Robert Bunsen and Gustav Kirchhoff, who named it ...
city, capital of Jihocesky kraj (region), Czech Republic. It is a regional cultural and industrial centre lying amid lakes at the confluence of the Vltava (Moldau) and Malse rivers. Founded ...
(Latin: "a cession of goods"), in Roman law, a voluntary surrender of goods by a debtor to his creditors. It did not amount to a discharge of the debt unless ...
American aviator and aircraft manufacturer who invented the cantilever wing and a V-shaped tail configuration and whose dedication to a simple, flexible monoplane design made his planes, such as variations ...
infestation with cestodes, a group of flattened and tapelike hermaphroditic worms that are intestinal parasites in humans and other animals, producing larvae that may invade body tissues.
any member of an entirely aquatic group of mammals commonly known as whales, dolphins, and porpoises. The ancient Greeks recognized that cetaceans breathe air, give birth to live young, produce ...
city, Montenegro, Serbia and Montenegro, former capital and cultural centre of independent Montenegro. It lies 2,198 feet (670 metres) above sea level on the Cetinje plateau, surrounded by peaks and ...
last great king of the Zulus (reigned 1872-79) whose strong military leadership and political acumen restored the power and prestige of the Zulu nation, which had declined during the reign ...
group of castes widespread in southern India, roughly corresponding to the Banias, a similar group of merchant castes in the north. They specialize primarily in the mercantile trades, as bankers, ...
[CH3(CH2)15OH], a solid organic compound that was one of the first alcohols to be isolated from fats. Cetyl alcohol was discovered in 1817 by the French chemist Michel Chevreul. When ...
Spanish plaza (enclave), military post, and free port on the coast of Morocco, at the Mediterranean entrance to the Strait of Gibraltar. Though physically contiguous with Morocco, Ceuta is administered ...
Italian mathematician, physicist, and hydraulic engineer best known for the geometric theorem bearing his name concerning straight lines that intersect at a common point when drawn through the vertices of ...
mountain range of southern France containing peaks over 5,000 feet (1,525 m) and forming the southeastern rim of the Massif Central, overlooking the lower valley of the Rhone River and ...
nature reserve located in the departements of Lozere and Gard, southern France. The park, created in 1970, occupies 353 square miles (913 square km) of the Cevennes and Causses regions ...
river, southern Turkey, rising in the Nurhak Mountains of the Eastern Taurus range, northeast of Elbistan. It flows southeast past Elbistan, where it is fed by the Harman Deresi and ...
(species Mesua ferrea), tropical tree, of the garcinia family (Clusiaceae), of the tea order (Theales), cultivated in tropical climates for its form, foliage, and fragrant flowers. The slow-growing Ceylon ironwood ...
French painter, one of the greatest of the Post-Impressionists, whose works and ideas were influential in the aesthetic development of many 20th-century artists and art movements, especially Cubism. Cezanne's art, ...