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rosary ... Rosse, William Parsons, 3rd earl of
rosary
(from Latin rosarium, "rose garden"), religious exercise in which prayers are recited and counted on a string of beads or a knotted cord. By extension, the beads ...
Rosas, Juan Manuel de
military and political leader of Argentina, who was governor (1835-52) of Buenos Aires with dictatorial powers.
Roscelin
French philosopher and theologian known as the originator of an extreme form of nominalism holding that universals are nothing more than verbal expressions. His only extant work seems to be ...
Roscius
Roman comic actor of such celebrity that his name became an honorary epithet for any particularly successful actor.
Roscommon
county in the province of Connaught, north-central Ireland. It is bounded by Counties Sligo (north), Leitrim (northeast), Longford and Westmeath (east), Offaly (southeast), Galway (southwest), and Mayo (west).
Roscommon
market and county town (seat), County Roscommon, Ireland, lying northwest of Dublin. A monastery and school were established on the site in the 7th century by St. Coman. In the ...
rose
any perennial shrub or vine of the genus Rosa, within the family Rosaceae, an almost universally distributed group of some 100 species. The great majority are native to Asia. Many ...
Rose Bowl
oldest American postseason college gridiron football contest, held annually in Pasadena, California, U.S., on New Year's Day (or January 2, if New Year's Day falls on a Sunday) or at ...
rose moss
(Rhodobryum roseum; formerly Bryum roseum), plant of the order Bryales, found throughout most of the world in woods or sheltered grassy places. Rose moss seldom forms capsules (spore cases); it ...
rose of Jericho
plant that is the only species of the genus Anastatica, of the mustard family (Brassicaceae), native to western Asia. The small, gray plant curls its branches and seedpods inward in ...
Rose of Lima, Saint
patron saint of Peru and of all South America and the first person born in the Western Hemisphere to be canonized by the Roman Catholic Church.
rose of Sharon
shrub or small tree, in the mallow family (Malvaceae), native to eastern Asia but widely planted as an ornamental for its showy flowers. It can attain a height of 3 ...
rose quartz
translucent, usually turbid, very coarse-grained variety of the silica mineral quartz found in pegmatites. Rose quartz is valued for its pale- to rich-pink colour, which may be due to titanium. ...
Rose Theatre
London playhouse built by Philip Henslowe and in active use from 1587 until about 1605. Henslowe and his partner, John Cholmley, had the theatre constructed on a leased rose garden ...
rose window
in Gothic architecture, decorated circular window, often glazed with stained glass. Scattered examples of decorated circular windows existed in the Romanesque period (Santa Maria in Pomposa, Italy, 10th century). Only ...
Rose, Billy
American theatrical impresario and composer of more than 50 song hits.
Rose, Ernestine
Polish-born American reformer and suffragist, an active figure in the 19th-century women's rights, antislavery, and temperance movements.
Rose, Hugh Henry, Baron Strathnairn Of Strathnairn And Of Jhansi
British field marshal and one of the ablest commanders during the Indian Mutiny (1857).
Rose, Irwin
American biochemist who shared the 2004 Nobel Prize for Chemistry with Aaron J. Ciechanover and Avram Hershko for their joint discovery of the process by which the cells of most ...
Rose, Murray
Australian swimmer who won six Olympic medals and was the first man to swim the 1,500-metre freestyle in less than 18 minutes.
Rose, Pete
professional baseball player who in 1985 exceeded Ty Cobb's record for career hits (4,191). During his career Rose was noted for his all-around ability and enthusiasm. He was named Player ...
Roseau
capital and chief town of Dominica, an independent island republic in the Caribbean Sea. It lies on the island's southwestern coast, at the mouth of the Roseau River. Its port, ...
Rosebery
town, western Tasmania, Australia, on the Pieman River. Named after British prime minister Lord Rosebery, it was founded around 1900 after the discovery in 1893 of gold in Rosebery Creek ...
Rosebery, Archibald Philip Primrose, 5th earl of
British prime minister from March 3, 1894, to June 21, 1895; faced with a divided Cabinet and a hostile House of Lords, his ministry achieved little of consequence.
Roseburg
city, seat (1854) of Douglas county, southwestern Oregon, U.S., on the South Umpqua River, between the Coast (west) and Cascade (east) ranges. Settled in 1851, it was known as Deer ...
Rosecrans, William S
Union general and excellent strategist early in the American Civil War (1861-65); after his defeat in the Battle of Chickamauga (September 1863), he was relieved of his command.
rosefinch
any of the 21 or so species of the genus Carpodacus, of the songbird family Carduelidae, sometimes placed in the Fringillidae. Rosefinches are about 15 centimetres (6 inches) long and ...
Rosegger, Peter
Austrian writer known for his novels describing provincial life.
rosella
any of several species of popular caged birds, particularly certain Australian species, classified as parakeets. See parakeet.
roselle
plant of the mallow family (Malvaceae), and its fibre, one of the bast fibre (q.v.) group. Roselle is probably native to West Africa and includes H. sabdariffa variety altissima, grown ...
Roselle and Roselle Park
boroughs (towns) in Union county, northeastern New Jersey, U.S., adjoining Elizabeth on the west. Originally part of Linden until 1894, Roselle was settled before the American Revolution; Abraham Clark, one ...
rosemary
(Rosmarinus officinalis), small perennial evergreen shrub of the mint family (Laminaceae, or Labiatae) whose leaves are used to flavour foods. Rosemary leaves have a tealike fragrance and a pungent, slightly ...
Rosemeyer, Bernd
German automobile racing driver who established himself as one of the world's great drivers in three seasons of racing (1935-37).
Rosenbach, A S W
U.S. book and manuscript collector and dealer who combined solid scholarship and exceptional business acumen.
Rosenberg, Alfred
German ideologist of Nazism.
Rosenberg, Harold
U.S. writer, educator, and philosopher particularly known for his insightful contributions to the understanding of 20th-century visual art.
Rosenberg, Isaac
British poet and painter killed in World War I.
Rosenberg, Julius; and Rosenberg, Ethel
the first American civilians to be executed for espionage and the first to suffer that penalty during peacetime.
Rosenbusch, Karl Heinrich Ferdinand
German geologist who laid the foundations of the science of microscopic petrography (the study of rocks in thin section, based on the optical properties of constituent mineral grains). He was ...
Rosenheim
city, Bavaria Land (state), southeastern Germany, at the confluence of the Inn and Mangfall rivers, southeast of Munich, just west of the scenic Chiemsee (lake) and north of the Austrian ...
Rosenwald, Julius
U.S. merchant and unorthodox philanthropist who opposed the idea of perpetual endowments and frequently offered large philanthropic gifts on condition that they be matched by other donations. He was especially ...
Rosenzweig, Franz
German-Jewish religious Existentialist who, through his fresh handling of traditional religious themes, became one of the most influential modern Jewish theologians. In 1913, although his conversion to Christianity had seemed ...
roseola infantum
infectious disease of early childhood marked by rapidly developing high fever (to 106° F) lasting about three days and then subsiding completely. A few hours after the temperature returns to ...
Roses, Wars of the
(1455-85), in English history, the series of dynastic civil wars whose violence and civil strife preceded the strong government of the Tudors. Fought between the Houses of Lancaster and York ...
Roset, Michel
Swiss political figure who, with Theodore Beza, played the most important role in the affairs of Geneva after the death of John Calvin in 1564.
Rosetta
town, northern al-Buhayrah muhafazah (governorate), in the northwestern Nile Delta, Lower Egypt. It lies on the left bank of the Rosetta (ancient Bolbitinic) Branch of the Nile River, 8 mi ...
Rosetta Stone
ancient Egyptian stone bearing inscriptions in several languages and scripts; their decipherment led to the understanding of hieroglyphic writing. An irregularly shaped stone of black granite 3 feet 9 inches ...
Roseville
city, Placer county, central California, U.S. It lies in the Sacramento Valley, 16 miles (26 km) northeast of Sacramento. The region around Roseville was once home to the Maidu Indians. ...
Roseville
city, Macomb County, southeastern Michigan, U.S., near Lake St. Clair, just northeast of Detroit. Although a post office was established in 1836, the community developed because of an influx of ...
Rosewall, Ken
Australian tennis player who was a major competitor for 25 years, winning 18 Big Four titles.
rosewood
any of several ornamental timbers, products of various tropical trees native to Brazil, Honduras, Jamaica, Africa, and India. The most important commercially are the Honduras rosewood, Dalbergia stevensoni, and the ...
Rosh Hashana
a major Jewish observance now accepted as inaugurating the religious New Year on Tishri 1 (September or October). Because the New Year ushers in a 10-day period of self-examination and ...
Rosicrucian
member of a worldwide brotherhood claiming to possess esoteric wisdom handed down from ancient times. The name derives from the order's symbol, a combination of a rose and a cross. ...
Rosidae
subclass of flowering plants belonging to the class Magnoliopsida.
rosin
translucent, brittle, friable resin used for varnish and in manufacturing many products. It becomes sticky when warm and has a faint pinelike odour. Gum rosin consists of the residue obtained ...
Roskilde
city, seat of Roskilde amtskommune (county), eastern Zealand (Sjaelland), Denmark, at the head of Roskilde Fjord. It is named for its legendary founder, Hroar (Ro), and the ...
Rosmini-Serbati, Antonio
Italian religious philosopher and founder of the Institute of Charity, or Rosminians, a Roman Catholic religious organization for educational and charitable work.
Ross and Cromarty
historic region, northern Scotland, spanning the width of the country from the North Sea on the east to the Atlantic Ocean on the west. It includes Lewis (part of the ...
Ross Ice Shelf
world's largest body of floating ice, lying at the head of Ross Sea (q.v.), itself an enormous indentation in the continent of Antarctica. The ice shelf lies between about 155° ...
Ross Island
volcanic formation in Antarctica, located in the western Ross Sea, Ross Dependency (New Zealand), at the northern margin of the Ross Ice Shelf, just off the coast of Victoria Land. ...
Ross Sea
southern extension of the Pacific Ocean, which, along with the vast ice shelf (see Ross Ice Shelf) at its head, makes a deep indentation in the circular continental outline of ...
Ross seal
(Ommatophoca rossi), Antarctic seal of the family Phocidae. It has a short face, very large eyes, and coarse fur that is greenish gray above with yellowish stripes on the sides ...
Ross, Betsy
seamstress who, according to legend, fashioned the first flag of the United States.
Ross, Edward A.
a founder of sociology in the United States and one of the first sociologists to pursue a comprehensive sociological theory. Ross was also a prolific writer whose flair for popular ...
Ross, Harold W.
editor who founded and developed The New Yorker, a weekly magazine that from its birth in 1925 influenced American humour, fiction, and reportage.
Ross, John
Indian name Tsan-usdi Cherokee chief who, after devoting his life to resisting U.S. seizure of his people's lands in Georgia, was forced to assume the painful task of shepherding the ...
Ross, Nellie Tayloe
nee Wynns first woman in the United States to serve as governor of a state and the first woman to direct the U.S. mint.
Ross, Norman
American swimmer who won three gold medals at the 1920 Olympics in Antwerp and set more than 10 world records.
Ross, Sir David
Scottish rationalistic moral philosopher and critic of utilitarianism who proposed a form of "cognitivist nondefinitism" based on intuitional knowledge rather than "naturalism." He distinguished his views from Kantian philosophy by ...
Ross, Sir James Clark
British naval officer who carried out important magnetic surveys in the Arctic and Antarctic and discovered the Ross Sea and the Victoria Land region of Antarctica.
Ross, Sir John
British naval officer whose second Arctic expedition in search of the Northwest Passage, the North American waterway linking the Atlantic and Pacific oceans, located the north magnetic pole.
Ross, Sir Ronald
British bacteriologist who received the Nobel Prize for Physiology or Medicine in 1902 for his work on malaria. His discovery of the malarial parasite in the gastrointestinal tract of the ...
Ross-on-Wye
town ("parish"), unitary authority and historic county of Herefordshire, England. The historic market town is characterized by narrow streets, ancient buildings, and a pillared market house (1670). The parish church ...
Rossby wave
in meteorology, large symmetrical undulation that develops in a jet stream's axis of flow and separates cold, polar air from warm, tropical air. These waves are named for Carl-Gustaf Arvid ...
Rossby, Carl-Gustaf Arvid
Swedish-U.S. meteorologist whose innovations in the study of large-scale air movement and introduction of the equations describing atmospheric motion were largely responsible for the rapid development of meteorology as a ...
Rosse, William Parsons, 3rd earl of
also called (1807-41) Lord Oxmantown Irish astronomer and builder of the largest reflecting telescope, the "Leviathan," of the 19th century.