Orontes
the ancient name of a OKONTES, river in Syria, now called NAHR-EL-ASI. It rises in the highest part of Cœle-Syria, near Baalbek, flows N. between the mountains of Libanus, as far as the city of Antioch, and then W. to the Mediterranean Sea, through a total course of 147 miles.
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Orpen
MAJOR SIR WILLIAM, British painter. He was born in Ireland in 1878, and was educated at the Dublin Metropolitan School of Art and Slade School. He won much prominence as a portrait painter, and in 1918 had a great exhibition of his war pictures, many of which he presented to the government. His painting representing the international delegates at Versailles in 1919 was completed in 1920.
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Orphan Asylum
or ORPHANthe AGE, an establishment in which orphans are provided for and educated. In all well regulated states the duty of taking gal- care of destitute orphans was recogniz- Cat- ed at an early age, and it appears that the cities of Thebes, Athens, and Rome and had establishments in which orphaned, deserted, and illegitimate children were supported and educated at the public expense. In the Middle Ages such asylums were numerous and generally under the direction of the clergy. In recent times public orphanages have been substituted or supplemented by the farming out system, that is, the children are brought up in private families willing to undertake their charge. Orphan asylums, as conducted in the United States, are supported as private institutions, assisted by legislative appropriation. They are fostered also by the religious denominations.
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Orpiment
in mineralogy, an orthorhombic mineral occurring sometimes in crystals, mostly as cleavable masses, rthy, or as incrustations. Composiearthy, tion: Sulphur, 39.0; arsenic, 61.0 = 100. Found in metalliferous veins with realgar at many localities.
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Orrery
an astronomical contrivance. The name was given by Richard Steele to one constructed for the Earl of Orrery from plans drawn by a George Graham, who invented it. It is known also as a planetarium. The principal planets and the moon were represented by spheres affixed to wires. The wires are inserted in disks of metal which may be caused to revolve by cogwork so as to represent the motions of the planets and moon about the sun. The spheres used are necessarily so out of proportion to the actual relative sizes of the heavenly bodies that the orrery is to be regarded as an astronomical toy, rather than a valuable means of geographical instruction. See Planets
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Orrery
in astronomy, a planetary machine to illustrate and and explain exp the motions of the heavenly bodies.
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Orris Root
in botany, the rhizome of Iris florentina and I. germanica, sometimes called violet-scented orris root. Orris-root starch, the starch or flour of the root of I. florentina, used in the manufacture of violet powder, and for scenting snuffs.
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Orsini
CARDINAL. See BENE- DICT XIII.
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Orsini
one of the most illustrious, and powerful families of Italy. It became known about the 11th century, and had already acquired high rank and extensive possessions in the Papal States when one of its members, Giovanni Getano, was raised to the pontificate under the title of Nicholas III. ( 1277-1280). The feud between the Orsini and Colonna families is celebrated in history. Many of the Orsini became famous military chiefs. Vincenzo Marco Orsini ( Benedict XIII.) succeeded Innocent XIII. as Pope in 1724. The Orsini family is now divided into two branches, the Orsini- Gravina at Rome and the Orsini of Piedmont.
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Orsova
the name of two towns on the Danube near the Iron Gates. OLD
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Orsova
a Hungarian place, is 478 miles S. E. of Vienna, and is a station for the Danube steamers. NEW ORSOVA, on the ical. Serbian side, is a fortified town held by Austria (since 1878), who also were masters of it between 1716 and 1738; the Turks held it both before 1716 and after 1738. In 1890-1896 a costly canal and other works were made for facilitating navigation at the rocky bend called the Iron Gates.
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Ortegal
CAPE, the N. W. point of Spain.
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Orth
SAMUEL PETER, an American educator, born at Capac, Mich., in 1873. Graduated Oberlin College in 1896 and took post graduate courses at the University of Michigan and Columbia University. From 1897 to 1902 he was professor of political and social science of Buchtel College. From 1903 to 1912 he practiced law in Cleveland. In the latter year he became professor of political science in Cornell University, and was lecturer on law and economic subjects in several colleges and universities. He was president of the Board of Education in Cleveland in 1904. He accompanied the Cook Arctic expedition to Greenland in 1894 and wrote "Five American Politicians" (1903); "Socialism and Democracy in Europe" (1913); "Imperial Impulse" (1916).
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Orthez
a town in the French department of Basses-Pyrénées, on the bank of the Gave de Pau, 41 miles E. of Bayonne. The "Tower of Moncade" (1240), the stately castle of the counts of Foix, which Froissart visited in 1388, was reduced to a ruin by Richelieu. Near Orthez Wellington gained a decisive victory over Soult, Feb. 27, 1814.
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Orthoclase
in mineralogy, a monoclinic species of the felspar group of unisilicates. Dana distinguishes the following varieties: 1. Ordinary, (1) adularia, including moonstone and valencianite; (2) sunstone, or aventurine felspar; (3) necronite; (4) amazon stone, now referred red to microcoline; ( 5) erythrite; ( 6) sanidine, or glassy felspar; ( 7) chesterlite, now referred to microcline; ( 8) microcline of breithaupt; ( 9) loxoclase; ( 10) paradoxite; ( 11) cottaite; (12) muldan; (13) lazurfelspar; (14) perthite; (15) murchisonite. 2. Compact orthoclase or orthoclase-felsite, including massive kinds constituting rocks; it is an essential constituent of many rocks, granites, gneisses, syenites, etc.
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Orthodox
holding the right or true faith; sound in opinion or doctrine; especially in religious opinions or doctrines; opposed to heterodox and heret-
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Orthoepy
the art of uttering words correctly; correct speech or pronunciation.
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Orthography
the art, practice, or habit of spelling words correctly according to the recognized usage; correct or proper spelling; as, the orthography of a word. Also that part of grammar which deals with the nature and properties of letters. In architecture and draughting, the elevation of , showing all the parts thereof in their a building true proportions; the orthography is either external or internal. The external is the delineation of the outer face or front of a building; the internal is a section of the same. ORTHOPÆDIA, a branch of medical science relating to the cure of natural deformities. Orthopædia Orthopædia is divided into prophylactic or preventive, and therapeutic or curative. The object of the former is to prevent deformities in infants, and is obtained by hygienic means, such as pure air, careful nursing, and suitable food, clothing, and exercise; that of the latter is to correct deformities already existing by mechanical treatment.
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