(from the article "Costa Rica") ...the Cordillera de Talamanca. The Cordillera Volcanica may be divided into three ranges, from northwest to southeast: the Cordillera de Guanacaste, the Cordillera de Tilaran, and the Cordillera Central. Designated ...
mountain range in western Dominican Republic. The core of its highlands rises just west of Santo Domingo, the national capital, and extends northwestward to the Haitian border; from it flow ... [2 Related Articles]
(from the article "building construction") The rooftop unit is best used in one-story buildings or smaller multistory ones. For larger multistory buildings, centralized atmosphere systems are used. These are built up of separate components, most ...
(from the article "Australia") ...Guinea and Timor rise to peaks of two miles (three kilometres) or more and are separated from mainland Australia by the flooded continental area of the Arafura and Timor seas. ...
(from the article "gardening") ...the life of the plant. Special attention is given in the formative years to obtain desired shape and structure. The key to training is the point on the main stem ...
in geography, an element of location theory (q.v.) concerning the size and distribution of central places (settlements) within a system. Central-place theory attempts to illustrate how settlements locate in relation ...
(from the article "Western architecture") The central-plan building, round, polygonal, or cruciform in design, gathered considerable momentum in the West as well as in the East in the course of the 4th and 5th centuries. ...
city, Marion and Clinton counties, south-central Illinois, U.S. It lies about 60 miles (100 km) east of St. Louis, Missouri. Centralia was founded in 1853 by the Illinois Central Railroad ...
city, Lewis county, southwest Washington, U.S., near the confluence of the Chehalis and Skookumchuck rivers. It lies midway between Portland, Oregon, and Seattle, Washington. The town site, then in Oregon ...
(from the article "Mexico") Under various labels, two factions contended for control. The Centralists, who were generally conservative, favoured a strong central government in the viceregal tradition, a paid national army, and Roman Catholicism ...
(from the article "India") ...period in the role of institutions. Clan-based societies had assemblies, whose political role changed with the transformation of tribe into state and with oligarchic and monarchical governments. Centralized imperialism, which ...
(from the article "railroad") ...but at the same time labour-saving control of a busy railroad's traffic by making it possible to oversee extensive areas from one signaling or dispatching centre. This development is widely ...
(from the article "perciform") ...basses (Serranidae), and carangids (Carangidae), a large family that includes pompanos, jacks, cavallas, and scads. The freshwater food and sport fishes of the perciform order include the sunfishes (Centrarchidae) and ...
industrial district in Hainaut province, southwestern Belgium. It lies in the upper valley of the Haine River and is centred on the town of La Louviere between Mons and Charleroi. ...
region of France encompassing the central departements of Cher, Indre, Indre-et-Loire, Loir-et-Cher, Loiret, and Eure-et-Loir. Centre is bounded by the regions ...
county, central Pennsylvania, U.S., located in both the Allegheny Plateau and the Appalachian Ridge and Valley regions and roughly bisected by the Allegheny Mountains. Centre county, named for its location ...
(from the article "chess") The most important exceptions concerned the centre squares, chiefly e4, e5, d4, and d5. The Hypermoderns believed that the central pawn structure that had been a goal since Philidor could ...
(from the article "Centre") ...now closed, but heavy industry continues in the form of blast furnaces and steelworks at La Louviere, a petroleum refinery at Felay, and an automobile assembly plant at Seneffe-Manage. The ...
(from the article "Denmark") ...Jorgensen, who had to call an election in November 1973. An electoral landslide resulted in heavy losses for the four "old" parties and the emergence of three new parties: the ...
(from the article "Popular Republican Movement") ...to General Charles de Gaulle and the candidate of the left, Francois Mitterrand. Lecanuet attempted to solidify the parties that supported him, including the MRP, into a centre party, the ...
(from the article "baseball") The three outfielders are positioned so as to best be able to catch or field balls that are batted over or through the infield. The three outfield positions are left ...
(from the article "fluid mechanics") ...submerged in a liquid for which rho = 2rho'; they are separated by rotations of 22.5°. In each of these diagrams, C is the centre of mass of the prism, ...
(from the article "mechanics") The word particle has been used in this article to signify an object whose entire mass is concentrated at a point in space. In the real world, however, there are ...
(from the article "Guatemala") ...century include the National Union for Hope (Union Nacional de Esperanza; UNE), the Patriotic Party (Partido Patriota; PP), the Grand National Alliance (Gran Alianza Nacional; GANA), and the Centre of ...
(from the article "capacitor dielectric and piezoelectric ceramics") ...and redistributions of electrons within the unit cell. Only certain crystal structures are piezoelectric. They are those which, like BaTiO3, lack what is known as an inversion centre, or centre ...
(from the article "Estonia") ...life during 2005. In late March the cabinet of Prime Minister Juhan Parts, Res Publica's leader, resigned following a vote of no confidence. It was replaced by a three-party coalition ...
(from the article "Finland") The elections to the Finnish parliament in March 2007 resulted in three parties' proclaiming themselves victorious: the Centre Party remained the largest party, with a 23.1% share (down from 24.7% ...
in Germany, political party active in the Second Reich from the time of Otto von Bismarck in the 1870s to 1933. It was the first party of imperial Germany to ... [8 Related Articles]
(from the article "Sweden") Historically, the political party system in Sweden has been relatively stable. Prominent parties include three nonsocialist parties-the Moderate Party (formerly the Conservative Party), the Centre Party, and the Liberal Party-and ...
(from the article "Papandreou, Georgios") ...posts in several governments. During a subsequent period in opposition, he merged his Democratic Socialist Party with the Liberal Party and in 1961 organized a new centre-left coalition, the Centre ...
(from the article "clock") ...or sprocket, which is raised by turning the winding square or, in some cases, by pulling on the line. The main wheel engages with the centre pinion, on the arbor ...
(from the article "Alice Springs") town, Northern Territory, Australia. It is the main focus of the Centre, a name given to approximately 100,000 square miles (260,000 square km) of central Australia that includes large areas ...
(from the article "cartridge") ...into the cartridge by the hammer action; in the other, a primer charge of fulminate of mercury was exploded in the cartridge rim. Later improvements changed the point of impact ...
(from the article "mechanics") ...line at constant speed. Without any loss of generality, one can imagine observing the system from a frame of reference moving along with that same speed and direction. This is ...
(from the article "rocket and missile system") ...jet issued through five equally spaced holes rather than a single orifice. The forward portion of the guide stick, which screwed into the rocket, was sheathed with brass to prevent ...
(from the article "keel") The backbone keel may be supplemented by other keels (see Figure). A "centreboard"-also called a drop keel, or sliding keel-is a retractable keel midships that may be lowered to increase ...
(from the article "metallurgy") Centrifugal casting forces the metal into a mold by spinning it. It is used for the casting of small precious-metal objects, so that essentially all of the metal goes into ...
(from the article "clutch") Automatic engagement is obtained with a centrifugal clutch in which the friction shoes are segments of rings that are pivoted to or carried around by the driving member and make ...
(from the article "compressor") Centrifugal compressors increase the kinetic energy of the gas with a high-speed impeller and then convert this energy into increased pressure in a divergent outlet passage called the diffuser. Centrifugal ...
(from the article "fan") Enclosed fans may be classified as centrifugal or axial-flow. In centrifugal fans air is led through an inlet pipe to the centre, or eye, of the impeller, which forces it ...
a fictitious force, peculiar to a particle moving on a circular path, that has the same magnitude and dimensions as the force that keeps the particle on its circular path ... [8 Related Articles]
device for moving liquids and gases. The two major parts of the device are the impeller (a wheel with vanes) and the circular pump casing around it. In the most ... [2 Related Articles]
any device that applies a sustained centrifugal force; that is, a force due to rotation. Effectively, the centrifuge substitutes a similar, stronger, force for that of gravity. Every centrifuge contains ... [8 Related Articles]
(from the article "respiratory disease") This irreversible disease consists of destruction of alveolar walls. It occurs in two forms, centrilobular emphysema, in which the destruction begins at the centre of the lobule, and panlobular (or ...
(from the article "human embryology") The two pronuclei next approach, meet midway in the egg cytoplasm, and lose their nuclear membranes. Each resolves its diffuse chromatin material into a complete, single set of 23 chromosomes. ...
property of the motion of a body traversing a circular path. The acceleration is directed radially toward the centre of the circle and has a magnitude equal to the square ... [2 Related Articles]
(from the article "river") Similarly, on structural domes where the rocks of the core vary in strength, valleys and master streams locate on weak outcrops in annular patterns. Centripetal patterns are produced where drainage ...
(from the article "mechanics") ...is required to produce this acceleration. In the case of an orbiting planet, the force is gravity. The situation is illustrated in Figure 9. The gravitational attraction of the Sun ...
(from the article "orchid") Some species of orchids are pollinated by bees that are attracted by means of deception. The flowers of the large genus Oncidium, for example, are pollinated by male Centris bees ...
(from the article "yolk") ...egg are termed telolecithal. This occurs in many invertebrates and in all vertebrates lower than marsupial mammals. In arthropods, the yolk is massed near the centre of the egg; such ...
(from the article "Poland") ...(BBWR) became his political instrument, used at first against the opposition rightist National Democrats. In 1930 Pilsudski responded to the challenge of the centre-left opposition (Centrolew) by ordering the arrest ...
(from the article "heredity") When the chromosomes condense during cell division, they have already undergone replication. Each chromosome thus consists of two identical replicas, called chromatids, joined at a point called the centromere. During ...
(from the article "New Orleans") The Dock Board formulated a plan, called Centroport U.S.A., by which much of the port's activities would be switched from the Mississippi River to wharves and industrial complexes along the ...
(from the article "cell") In most cells, microtubules grow outward, from the cell centre to the cell membrane, from a special region of the cytoplasm near the nuclear envelope called the centrosome. The minus ...
(from the article "sea urchin") The largest urchin (known from a single specimen) is Sperostoma giganteum of deep waters off Japan. Hatpin urchins, such as Centrostephanus longispinus of the Mediterranean and eastern Atlantic, Diadema (formerly ...
(from the article "vertebral column") Each vertebra, in higher vertebrates, consists of a ventral body, or centrum, surmounted by a Y-shaped neural arch. The arch extends a spinous process (projection) downward and backward that may ...
(from the article "scorpion") ...by molting (ecdysis). Scorpions molt an average of five times (the range is four to nine) before reaching maturity. The number of molts in some species is variable. In some ...
(from the article "Western architecture") ...the three-aisle nave on pillars is original. In the style of the great basilicas of Rome, this church had a hall-shaped, wide transept with a semicircular apse adjoining it. Some ...
(from the article "Indo-European languages") ...(Proto-Indo-European *kmtom), which illustrates the change. The languages that preserve the palatal stops as k-like sounds are known as "centum" languages, from centum (/kentum/), the corresponding word in Latin. The ...
in ancient Rome, court of civil jurisdiction that gained distinction for its hearing of inheritance claims, through which it influenced succession. The court, instituted in c. 150 BC, was composed ...
(from the article "stage design") The garment peculiar to mime productions was a coloured patchwork jacket called a centunculus, and this name became applied to mime actors in general. At Corneto, a ...
(from the article "comitia") ...gave greater influence to the rich than to the poor. All Roman citizens were registered in tribus (tribes), and a census was made of their property. They were then assigned ...
(from the article "ancient Rome") ...own. Moreover, the grid of the central part of the city was matched, and sometimes extended on the same lines, by another grid laid across the surrounding territory. The process, ...
(from the article "tank") ...war did the U.S. Army introduce a few M26 Pershing heavy tanks with a 90-millimetre gun comparable to that of the original German Tiger. Similarly, the British army introduced the ...
the principal professional officer in the armies of ancient Rome and its empire. The centurion was the commander of a centuria, which was the smallest unit of a Roman legion. ... [1 Related Articles]
(from the article "Greece, history of") ...in the southern Peloponnese; he died in 1402. He was succeeded by his widow, Maria Zaccaria, representative of an important Genoese merchant and naval family. She passed the title to ...
town, east-central Sicily, Italy. The town lies at an elevation of 2,402 feet (732 m) on a ridge between the Simeto and Dittaino rivers, northwest of Catania. The ancient Centuripae, ...
(from the article "patristic literature") ...a highly cultivated convert in 382 in Evagrius Ponticus. He was the first monk to write extensively and was in the habit of arranging his material in groups of a ...
dictionary of American English that is generally regarded as one of the greatest ever produced. The first edition (1889-91) contained six volumes; a supplementary Cyclopedia of Names, including personal and ... [1 Related Articles]
(from the article "century plant") member of the agave family of flowering plants. See Agavaceae.century plantCentury plant (Agave americana).Stan Shebs
according to the Anglo-Saxon Chronicle, a chronological account of events in Anglo-Saxon England, king of the West Saxons, or Wessex (from 676), son of King Cynegils, and brother of King ...
Indians of the northern lowlands of Colombia who became extinct under Spanish rule. The Cenu were a tropical-forest people who spoke a Cariban language. They were agriculturists, and their chief ...
king of the West Saxons, or Wessex (from 643), son of Cynegils. Though his father became a Christian, Cenwalh himself long remained a pagan. Soon after his succession he discarded ... [2 Related Articles]
Anglo-Saxon king of the Mercians from 796 who preserved the Mercian supremacy established by King Offa (reigned 757-796). During a Kentish rebellion against Mercian suzerainty, he tried to move the ... [1 Related Articles]
king of the West Saxons, or Wessex. Ceol may have been related to Cutha, who was brother of King Ceawlin. After his victory over Ceawlin at Wodnesbeorg (Wiltshire) in 592, ...
(from the article "Benedict Biscop, Saint") ...in monastic practices, and in 674 he built on land granted to him by King Ecgfrith of Northumbria the monastery of St. Peter at Wearmouth, where he introduced the Benedictine ...
(from the article "Ceol") ...or Wessex. Ceol may have been related to Cutha, who was brother of King Ceawlin. After his victory over Ceawlin at Wodnesbeorg (Wiltshire) in 592, he reigned for five years. ...
the free peasant who formed the basis of society in Anglo-Saxon England. His free status was marked by his right to bear arms, his attendance at local courts, and his ... [2 Related Articles]
(from the article "Boletaceae") Several of the 50 species of the genus Boletus are edible. The undersurfaces range from red to brown in colour. The cepe (B. edulis) is found in woods and groves ...
(1820, 1859), two engagements fought at Cepeda, in the Buenos Aires provincia of Argentina, during the decades of disunity following the declaration in 1816 of Argentine independence. [1 Related Articles]
Puerto Rican professional baseball player who became one of the first new stars to emerge when major league baseball arrived on the U.S. West Coast in 1958.
(from the article "Latin Americans in Major League Baseball") ...organized baseball decreed that players who had played in the Mexican League were ineligible to play professionally in the United States.) The first Puerto Rican who was truly a baseball ...
(from the article "opalinid") ...any of about 150 protozoans found in the intestinal tracts of amphibians and some other animals. The nuclei of opalinids vary in number from two (e.g., Zelleriella) to many (e.g., ...
(from the article "helleborine") any member of either of two similar genera of orchids (family Orchidaceae): Cephalanthera, with about 14 north-temperate species, and Epipactis, with about 21 species native to north-temperate areas, tropical Africa, ...
(from the article "buttonbush") ...native to Africa, Asia, and North America. It was named for its fragrant, creamy white, spherical flowers, about 2.5 centimetres (1 inch) in diameter. There are at least 6 species ...
(from the article "Dipsacales") ...pin-cushion flower genus with 80 species, of which at least 20 species are ornamentals. Cephalaria has 65 species, including cornfield weeds such as C. syriaca and the ornamental C. transylvanica, ...
extinct genus of very primitive jawless, fishlike vertebrates found in Early Devonian rocks (the Devonian Period lasted from 408 to 360 million years ago) in Europe and North America. Cephalaspis, ...
(from the article "Retzius, Anders Adolf") A professor of anatomy and physiology at the Karolinska Medic-Kirurgiska Institutet, Stockholm (1824-60), he invented (1842) the cranial, or cephalic, index (the ratio of the width to the length-front to ...
(from the article "human cardiovascular system") Venous drainage of the hand is accomplished superficially by small anastomosing (interconnecting) veins that unite to form the cephalic vein, coursing up the radial (thumb) side of the forearm, and ...
the differentiation of the anterior (front) end of an organism into a definite head. Considered an evolutionary advance, cephalization is accompanied by a concentration of nervous tissue (cephalic ganglion or ... [2 Related Articles]
island, largest of the Ionian Islands, west of the Gulf of Patraikos. With the island of Ithaca (Ithaki) and smaller nearby islands, it forms the nomos (department) ... [3 Related Articles]
any of more than two dozen species belonging to the subphylum Cephalochordata of the phylum Chordata. Small, fishlike marine invertebrates, they probably are the closest living relatives of the vertebrates. ... [4 Related Articles]
(from the article "pterobranch") ...food, usually small planktonic plants and animals, from the surrounding water; and a trunk containing a U-shaped gut. There are three genera of pterobranchs. Two of them, Rhabdopleura and Cephalodiscus, ...
any member of the class Cephalopoda, of the phylum Mollusca, a small group of highly advanced and organized, exclusively marine animals. The octopus, squid, cuttlefish, and chambered nautilus are familiar ... [19 Related Articles]
any of a group of beta-lactam antibiotics that inhibit the synthesis of a structural component of the bacterial cell wall. The cephalosporins were first isolated from cultures of the fungus ... [3 Related Articles]
(from the article "drug") ...and cephalosporins differs in other respects, resulting in some difference in the spectrum of antibacterial activity. The original cephalosporins were produced by the fungus Cephalosporium acremonium. Modification ...
(from the article "carnivorous plant") ...Nepenthaceae, Nepenthes. Cephalotus follicularis, of southwestern Australia, looks like a saxifrage with small Sarracenia leaves; it constitutes a pitcher-plant family of its own, Cephalotaceae (order Saxifragales). (See pitcher plant.)
(from the article "conifer") ...was for a time thought to comprise a new family, Phyllocladaceae, but genetic evidence demonstrates the genus's affinity with Podocarpaceae.Seed cones highly modified with a few opposite pairs of ...
(from the article "cephalosporin") The cephalosporins have been organized into groups based roughly on their activity. First-generation cephalosporins (e.g., cephalothin and cefalozin) tend to be broad-spectrum antibiotics that are effective against gram-positive and many ...
(from the article "arachnid") ...liquefied remains into their mouths. Except among daddy longlegs and the mites and ticks, in which the entire body forms a single region, the arachnid body is divided into two ...
