ABCDEFGHIJKLMNOPQRSTUVWXYZ0-9
Otakar I ... Oued, el-
Otakar I
king of Bohemia (1198-1230), who won both Bohemia's autonomy from the German king and the hereditary rights to the Bohemian crown for his house of Premysl.
Otakar II
king of Bohemia (1253-78), who briefly established his crownland as the most powerful state of the Holy Roman Empire.
Otaru
city, Hokkaido, Japan, on Ishikari Bay of the Sea of Japan. Its name is a corruption of the Ainu word otarunai, meaning "sandy beach." Otaru developed as a modern town ...
Otavalo
town, north-central Ecuador, in the Andean highlands at an elevation of 8,441 feet (2,573 m). It was originally settled by the Otavalo Indians, later conquered by the Incas, and became ...
Otero
county, southern New Mexico, U.S., bordered on the south by Texas. The terrain comprises drastic extremes, including elevations to 11,997 feet (3,656 m) at Sierra Blanca, extensive, waterless deserts, and ...
Otfrid
monk of Weissenburg in Alsace and the first German poet whose name is known.
Othello
tragedy in five acts by William Shakespeare, written in 1603-04 and published in 1622 in a quarto edition from a transcript of an authorial manuscript. The text published in the ...
other minds
in philosophy, the object of the commonsensical belief that others besides oneself possess minds and are capable of thinking or feeling somewhat as one does oneself. The philosophical problem arising ...
Otho
Roman emperor from January to April 69.
Oti River
river in West Africa, rising in the southern plain of Burkina Faso. It meanders southward, briefly flowing along the Togo-Benin border. It cuts south-southwest across northern Togo and then forms ...
Otis, Elisha Graves
American inventor of the safety elevator.
Otis, Harrison Gray
Federalist political leader who championed the Hartford Convention in its opposition to mercantilist policies and the War of 1812.
Otis, Harrison Gray
American newspaper publisher who directed the Los Angeles Times from 1886 until after World War I.
Otis, James
American political activist during the period leading up to the American Revolution. He helped formulate the colonists' grievances against the British government in the 1760s.
Otis, Johnny
American bandleader, drummer, vibraphonist, singer, producer, and promoter of rhythm and blues and rock and roll. Otis was instrumental in furthering the careers of a number of important rhythm-and-blues performers.
otitid fly
any species of insect belonging to the family Otitidae (order Diptera). The wings are spotted or banded with black, brown, or yellow. These small flies are common in moist places. ...
otitis externa
dermatitis of the external auditory canal and sometimes also of the exposed ear. The skin on these ear parts becomes dry, scaling, and itchy, and there may be foul-smelling watery ...
otitis media
inflammation of the lining of the middle ear and one of the most common infections in childhood. In its acute form, it commonly develops in association with an infection of ...
Otjiwarongo
town, north-central Namibia. Otjiwarongo town (at an elevation of 4,790 feet [1,460 m]) is located in a generally flat, semiarid region of varied grasses, scrub bush, and thorn trees. Sheep ...
Otlet, Paul
Belgian lawyer and bibliographer who, with Henri-Marie Lafontaine, devised the Universal Decimal Classification (UDC) system of subject groups for library collections.
Oto
North American Indian people of the Chiwere branch (including the Missouri and Iowa) of the Siouan linguistic family. In their historic past the Oto, together with the Iowa and the ...
Oto-Manguean languages
a phylum, or stock, of American Indian languages made up of the following language families and groups: Oto-Pamean, Popolocan, Mixtecan, Zapotecan, Chinantecan, and Manguean. The Tlapanec and Huave language groups ...
otolaryngology
medical specialty concerned with the diagnosis and treatment of diseases of the ear, nose, and throat. Traditionally, treatment of the ear was associated with that of the eye in medical ...
Otomi
Middle American Indian population living in the central plateau region of Mexico. The Otomi peoples speak at least four closely related languages, all called Otomi. A rather large number of ...
otosclerosis
ear disorder characterized by the growth of excess bone in the middle ear in the region of the oval window. It is at the oval window that the footplate of ...
Otranto
town and archiepiscopal see, Lecce province, Puglia (Apulia) region, southeastern Italy, on the east coast of the Salentine Peninsula (the "heel" of Italy), on the Strait of Otranto (40 miles ...
Otsego
county, central New York state, U.S., comprising a rugged upland region bordered by the Unadilla River to the west and the Susquehanna River to the southwest. Originating in Otsego Lake ...
Otsu
capital, Shiga Prefecture (ken), southern Honshu, Japan, on the shore of Lake Biwa. A castle town established by Toyotomi Hideyoshi in the 16th century, it is situated at the junction ...
ottava rima
Italian stanza form composed of eight 11-syllable lines, rhyming abababcc. It originated in the late 13th and early 14th centuries and was developed by Tuscan poets for religious verse and ...
Ottawa
city, seat (1831) of La Salle county, north-central Illinois, U.S. It lies at the confluence of the Fox and Illinois rivers, about 80 miles (130 km) southwest of Chicago. The ...
Ottawa
city, seat (1864) of Franklin county, eastern Kansas, U.S. It lies on the Marais des Cygnes River. Ottawa was founded in 1864 near the Ottawa Indian Baptist Mission, which had ...
Ottawa
Algonkian-speaking Indians whose territory included what is now part of the Ottawa River, the French River, Georgian Bay, northern Michigan, and adjacent areas. According to tradition, the Ottawa, Ojibwa, and ...
Ottawa
capital of Canada, southeastern Ontario, at the confluence of the Ottawa, Gatineau, and Rideau rivers. Its metropolitan area lies astride the Ontario-Quebec border.
Ottawa Agreements
trade policies, based on the system of imperial preference, negotiated between the United Kingdom and Commonwealth nations in 1932. See imperial preference.
Ottawa River
river in east central Canada, the chief tributary of the St. Lawrence River. It rises in the Laurentian Plateau of western Quebec and flows swiftly westward to Lake Timiskaming and ...
Ottendorfer, Anna Sartorius Uhl
publisher and philanthropist who helped establish a major German-American newspaper and contributed liberally to German-American institutions.
otter
any of 13 species of semiaquatic mammals, noted for their playful behaviour, that belong to the weasel family. The lithe and slender body has short legs, a strong neck, and ...
otter shrew
any of three species of amphibious and carnivorous tropical African insectivores that are not "true" shrews (family Soricidae). All are nocturnal and den in cavities and burrows in stream banks; ...
otterhound
dog breed first described in the 14th century. Developed in England to hunt otters on both land and water, it resembles a rough-coated bloodhound and has a large head, pendulous ...
Ottingen-Schrattenhofen faience
German tin-glazed earthenware made in Bavaria in the 18th and 19th centuries. The factory was first established at Ottingen in 1735 and two years later was moved to Schrattenhofen. The ...
Otto
insane king of Bavaria, younger son of King Maximilian II.
Otto
first king of modern Greece (1832-62), who governed his country autocratically until he was forced to become a constitutional monarch in 1843. Attempting to increase Greek territory at the expense ...
Otto I
duke of Saxony (as Otto II, 936-961), German king (from 936), and Holy Roman emperor (962-973), who consolidated the German Reich by his suppression of rebellious vassals and his decisive ...
Otto II
duke of Bavaria and also a leading noble in Saxony, the most implacable opponent of the German king Henry IV.
Otto II
German king from 961 and Holy Roman emperor from 967, sole ruler from 973, son of Otto I and his second wife, Adelaide.
Otto III
German king and Holy Roman emperor who planned to recreate the glory and power of the ancient Roman Empire in a universal Christian state governed from Rome, in which the ...
Otto IV
German king and Holy Roman emperor, candidate of the German anti-Hohenstaufen faction, who, after rivalling against two Hohenstaufen kings, was finally deposed.
Otto Of Freising
German bishop and author of one of the most important historico-philosophical works of the Middle Ages.
Otto, Kristin
German swimmer, the first female athlete to win six gold medals at a single Olympic Games.
Otto, Nikolaus August
German engineer who developed the four-stroke internal-combustion engine, which offered the first practical alternative to the steam engine as a power source.
Otto, Rudolf
German theologian, philosopher, and historian of religion, who exerted worldwide influence through his investigation of man's experience of the holy. Das Heilige (1917; The Idea of the Holy, 1923) is ...
ottoman
deeply upholstered seat of any shape, with or without a back, introduced into Europe in the late 18th century from Turkey, where, piled with cushions, it was the central piece ...
Ottoman court carpet
floor covering handwoven under the earlier Ottoman sultans of Turkey. Extremely fine, handsome carpets-of wool pile on a foundation of silk or wool, having floral patterning, often with schemes of ...
Ottoman Empire
empire created by Turkish tribes in Anatolia. One of the most powerful states in the world during the 15th and 16th centuries, it spanned more than 600 years and came ...
Ottonian art
painting, sculpture, and other visual arts produced during the reigns of the German Ottonian emperors and their first successors from the Salic house (950-1050). As inheritors of the Carolingian tradition ...
ottrelite
manganese-rich variety of the silicate mineral chloritoid (q.v.).
Ottumwa
city, seat (1844) of Wapello county, southeastern Iowa, U.S., on the Des Moines River, about 25 miles (40 km) southeast of Oskaloosa. It was laid out in 1843 during a ...
Ottweiler porcelain
true, or hard-paste, German porcelain produced in the Rhineland from 1763 onward. The factory was started by Etienne-Dominique Pelleve, a porcelain maker from Rouen, France, under the patronage of Prince ...
Otway, Thomas
English dramatist and poet, one of the forerunners of sentimental drama through his convincing presentation of human emotions in an age of heroic but artificial tragedies. His masterpiece, Venice Preserved, ...
Otztal Alps
eastern segment of the Central Alps lying mainly in the southern Tirol (western Austria) and partly in northern Italy. The mountains are bounded by the Rhaetian Alps and Reschenscheideck Pass ...
Ou Mountains
range forming the backbone of northeastern Honshu, Japan, and extending for 310 miles (500 km) south from Aomori ken (prefecture) to Fukushima ken. Geologically, dominant Tertiary sediments are occasionally interrupted ...
Ou River
river in northern Laos, one of the 12 principal tributaries of the Mekong River; it is 236 miles (380 km) long. The Ou River rises on the Chinese frontier north ...
Ouachita Geosyncline
a linear trough in the Earth's crust in which rocks of the Paleozoic Era (from 225,000,000 to 570,000,000 years ago) were deposited along the southern margin of North America, from ...
Ouachita Mountains
a rugged range of large hills that continues the Ozark Plateau in the United States. The Ouachita Mountains extend approximately 225 miles (360 km) east to west from Little Rock, ...
Ouachita orogeny
a mountain-building event that resulted in the folding and faulting of exposed strata in the Ouachita Geosyncline in the southern portion of the United States in Arkansas, Oklahoma, and the ...
Ouachita River
river rising in the Ouachita Mountains of west-central Arkansas, U.S., and flowing in a generally southeasterly direction to join the Red River in Louisiana after a course of 605 miles ...
Ouaddai
historic and cultural region in eastern Chad, central Africa. The chief town of the region is Abeche. The region's area of savanna grasslands roughly corresponds to the formerly independent Ouaddai ...
Ouagadougou
capital and largest town of Burkina Faso, West Africa. It was the capital of the historic Mossi kingdom of Wagadugu (founded in the 15th century) and the seat of the ...
Ouarzazate
town, south-central Morocco. It lies on the Saharan side of the High Atlas Mountains and is situated in the valley of the River Ouarzazate near its juncture with the River ...
Oud, Jacobus Johannes Pieter
Dutch architect notable for his pioneering role in the development of modern architecture.
Oudenaarde
municipality, East Flanders province, west-central Belgium. It lies along the Scheldt (Schelde) River south of Ghent. A prosperous tapestry-making centre in the Middle Ages, its industry declined in the 15th ...
Oudenaarde, Battle of
(July 11, 1708), victory over the French won by the Duke of Marlborough and Prince Eugene of Savoy during the War of the Spanish Succession; it eventually led to the ...
Oudinot, Nicolas-Charles, Duke De Reggio
general, administrator, and marshal of France in the Napoleonic Wars whose career illustrates the opportunities to rise in the French army after the Revolution.
Oudry, Jean-Baptiste
French Rococo painter, tapestry designer, and illustrator, considered one of the greatest animal painters of the 18th century.
Oudtshoorn
town, Western Cape province, South Africa. It is located about midway between Cape Town (west) and Port Elizabeth (east) on the banks of Grobbelaars River. First settled in 1847, it ...
Oued, el-
town, largest of the Souf Oases in northeastern Algeria. It lies 50 miles (80 km) west of the Tunisian border. Surrounded by the sand dunes of the Grand Erg (sand ...