an acute, highly contagious viral disease of ruminant animals, primarily cattle, that is common in Africa, the Indian subcontinent, and the Middle East. It has occurred in Brazil and Australia ...
circular band of gold, silver, or some other precious or decorative material that is worn on the finger. Rings are worn not only on the fingers but also on toes, ...
in mathematics, a set having an addition that must be commutative (a + b = b + a for any a, b) and associative [a + (b + c) = (a + b) + c for any a, b, c], and a multiplication that must be ...
(catalog numbers NGC 6720 and M 57), bright nebula in the constellation Lyra, several thousand light-years from the Earth. It was discovered in 1779 by the French astronomer Augustin Darquier. ...
(species Aythya collaris), diving duck (family Anatidae), a popular game bird that is considered excellent table fare. The ring-necked duck is about 43 cm (17 inches) long. The male has ...
(species Diadophis punctatus), sole species of snake in the genus Diadophis of the family Colubridae. There are about a dozen subspecies. Ring-necked snakes grow to a length of 60 cm ...
oldest and most spiritual Maori prophetic movement in New Zealand. It was founded in 1867 by the Maori guerrilla leader Te Kooti (1830-93) while he was imprisoned on the Chatham ...
(species Pusa, or Phoca, hispida), nonmigratory, earless seal (family Phocidae) of North Polar seas and a few freshwater lakes in Europe and on Baffin Island. Named for the characteristic pale ...
one of the first laboratory solutions of salts in water shown to prolong greatly the survival time of excised tissue; it was introduced by the physiologist Sidney Ringer in 1882 ...
kommune ("commune") and geographic region, Buskerud fylke (county), southeastern Norway, just northwest of Oslo. The region covers a total area of 600 square miles (1,553 square km) adjacent to the ...
monetary unit of Malaysia. The ringgit, also known as the Malaysian dollar, is divided into 100 sen. The Central Bank of Malaysia (Bank Negara Malaysia) has the exclusive authority to ...
amt (county), Denmark, covering a rectangular area (1,874 square miles [4,853 square km]) that is bounded by the smooth dune and lagoon coast of western Jutland between Nissum Bay in ...
gymnastics apparatus consisting of two small circles that are suspended by straps from an overhead support and grasped by the gymnast while performing various exercises. They were invented in the ...
town, Hedmark fylke (county), southeastern Norway. It lies along the eastern shore of Mjosa, the largest lake in Norway. Situated along the main road and rail line between Oslo and ...
superficial skin lesions caused by a highly specialized group of fungi called dermatophytes that live and multiply on the surface of the skin and feed on keratin, the horny protein ...
one of two major Zen Buddhist sects in Japan; it stresses the abrupt awakening of transcendental wisdom, or enlightenment. Among the methods it practices are shouts (katsu) or blows delivered ...
measure enacted by the Brazilian parliament in 1871 that freed children born of slave parents. The law was passed under the leadership of Jose Maria da Silva Paranhos, Viscount do ...
city, in the highlands of east-central Sao Paulo estado (state), southeastern Brazil. It is situated at 2,050 feet (625 metres) above sea level along the Corumbatai River. ...
estado ("state") of southeastern Brazil, bounded by the states of Espirito Santo (north), Minas Gerais (west), and Sao Paulo (southwest), while to the east lies the Atlantic Ocean. It is ...
city and port of Brazil, capital of the estado (state) of Brazil. It is located on the Atlantic Ocean, in the southeastern part of the tropical zone ...
one of the great tropical botanical gardens and arboretums of the world. It was founded in 1808 by John, prince regent of the United Kingdom of Brazil and Portugal (later ...
(1942), treaty settling possession of the disputed Oriente region on the border of Peru and Ecuador, arranged by a conference of Western Hemisphere foreign ministers held at Rio de Janeiro. ...
the final of the four viceroyalties that Spain created during its colonization of Central and South America. Including the territory now comprising Argentina, Uruguay, Paraguay, and Bolivia, the new viceroyalty ...
southern region of Western Sahara. It has an area of 71,000 square miles (184,000 square km) and lies between Cape Blanco and latitude 26° N, near Cape Bojador. The climate ...
port city, southeastern Rio Grande do Sul estado (state), southern Brazil. The city lies along the Rio Grande (river), which is the outlet to the Atlantic Ocean ...
fifth longest river of North America, and the 20th longest in the world, forming the border between the U.S. state of Texas and Mexico. Rising as a clear, snow-fed mountain ...
estado ("state") of northeastern Brazil. A primarily agricultural and salt-producing state and one of the smallest of all Brazilian states, it is bounded by the Atlantic Ocean on the north ...
southernmost estado ("state") of Brazil, bordered by the state of Santa Catarina (north), Argentina (west), Uruguay (south), and the Atlantic Ocean (east). The capital of Porto Alegre is the state's ...
provincia, south-central Argentina, lying within the region known as Patagonia and extending westward from the Atlantic to the Andes and the border with Neuquen provincia. It is crossed (northwest to ...
(October 30, 1340), battle fought by the allied Castilian and Portuguese Christian forces against the Muslim Marinids of North Africa in a final attempt by the latter to invade the ...
city, central Ecuador. It is situated in the central highlands at an elevation of about 9,000 feet (2,700 m) in the basin of the Riobamba River, just south of Mount ...
capital of La Guajira departamento, northern Colombia. It lies on the Caribbean coast at the mouth of the Rancheria River. Founded in 1545, the settlement became known for its pearl ...
town, Puy-de-Dome departement, Auvergne region, central France. It lies along the Ambene River at the western edge of the fertile Limagne Plain, just north of Clermont-Ferrand. The old town, built ...
in criminal law, a violent offense against public order involving three or more people. Like an unlawful assembly, a riot involves a gathering of persons for an illegal purpose. In ...
copper mines, located near the town of Nerva (formerly Riotinto), in Huelva provincia, in the autonomous community of Andalusia, southwestern Spain, on the Tinto River. Worked since Phoenician and Roman ...
narrow jetlike stream of water that flows sporadically seaward for several minutes, in a direction normal or nearly normal to a beach. Such currents are probably the cause of most ...
doctrine in certain areas that governs the use of surface water and gives all owners of land contiguous to streams, lakes, and ponds equal rights to the water, whether the ...
American professional baseball player, one of the most durable in professional sports history. In 1995, on September 5 and 6, respectively, Ripken played his 2,130th and 2,131st consecutive games for ...
journalist and reformer whose life, for half a century, mirrored the main currents of American thought. He was the leading promoter and director of Brook Farm (q.v.), the celebrated utopian ...
American cartoonist who was the founder of "Believe It or Not!," a widely popular newspaper cartoon presenting bizarre facts and oddities of all kinds.
American economist and anthropologist whose book The Races of Europe: A Sociological Study (1899) directed the attention of American social scientists to the existence of subdivisions of geographic races. Specifically, ...
city, Fond du Lac county, east-central Wisconsin, U.S. It lies 20 miles (30 km) west of Fond du Lac and 80 miles (130 km) northwest of Milwaukee. In 1844 the ...
cathedral city, Harrogate borough, administrative county of North Yorkshire, historic county of Yorkshire, England. It lies in the upper valley of the River Ure, 27 miles (43 km) north of ...
prime minister of Great Britain from August 1827 to January 1828. He received from the radical journalist William Cobbett the sardonic nicknames "Prosperity Robinson" (for his unwarranted optimism on the ...
British statesman who in more than 50 years of public service occupied important Cabinet posts and served as viceroy of India. A liberal administrator acceptable to the Indians, he was ...
one of a series of small marine, lake, or riverine topographic features, consisting of repeating wavelike forms with symmetrical slopes, sharp peaks, and rounded troughs. Ripple marks are formed in ...
French public official and self-made engineer who constructed the epochal 150-mile (240-kilometre) Canal du Midi (also called the Languedoc Canal) connecting the Garonne River to the Aude River, thus linking ...
departamento, west-central Colombia. It was created in 1966 and extends from the Andean Cordillera Occidental across the Cauca River valley to the Cordillera Central. Agriculture is the predominant economic activity; ...
information processing using any of a family of microprocessors that are designed to execute computing tasks with the simplest instructions in the shortest amount of time possible. RISC is the ...
the first of the 24 Tirthankaras ("Ford-makers," i.e., saviours) of Jainism, a religion of India. His name comes from the series of 14 auspicious dreams that his mother had, in ...
city, west-central Israel. It lies on the Judaean Plain southeast of Tel Aviv-Yafo. The name (Hebrew: "first to Zion") is derived from a biblical allusion in Isaiah 41:27.
in Egyptian religion, amulet conveying life and resurrection to its wearer. It was made in the shape of a sun disk rising on the hilly horizon and was the symbol ...
Japanese order founded in 1875 by Emperor Meiji and awarded for exceptional civil or military merit. The order, which has a women's counterpart called the Order of the Sacred Crown, ...
in economics and finance, an allowance for the hazard or lack of hazard in an investment or loan. Default risk refers to the chance of a borrower's not repaying a ...
(Italian: "Rising Again"), 19th-century movement for Italian unification that culminated in the establishment of the Kingdom of Italy in 1861. The Risorgimento was an ideological and literary movement that helped ...
a Tuscan folk verse form, a version of strambotto. The rispetto lyric is generally composed of eight hendecasyllabic (11-syllable) lines. In its earliest form the rhyme scheme was usually abababcc. ...
major division of Pleistocene time and deposits (1,600,000 to 10,000 years ago) in Alpine Europe. The Riss Glacial Stage, during which mountain glaciers descended from the highlands, followed the Mindel-Riss ...
major division of Pleistocene time and deposits (1,600,000 to 10,000 years ago) in Alpine Europe. The Riss-Wurm Interglacial Stage, a period of relatively moderate climatic conditions, followed the Riss Glacial ...
(Japanese: "Society for Establishing Righteousness and Friendly Relations"), lay religious group in Japan based on the teachings of the Nichiren school of Buddhism. The Rissho-Kosei-kai is an offshoot of the ...
a mild form of amphetamine used in the treatment of attention-deficit hyperactivity disorder (ADHD), a condition that occurs primarily in children and is characterized by hyperactivity, inability to concentrate for ...
ceremonial event, existing in all historically known societies, that marks the passage from one social or religious status to another. This article describes these rites among various societies throughout the ...
a recurrent musical section that alternates with different episodes of contrasting material. The repetition can be exact or varied to a greater or lesser extent. In the concerto grosso the ...
German Lutheran theologian who showed both the religious and ethical relevance of the Christian faith by synthesizing the teaching of the Scriptures and the Protestant Reformation with some aspects of ...
German classical scholar remembered for his work on Plautus and as the founder of the Bonn school of classical scholarship. Influenced by the textual criticism of the English and German ...
